The Planetary Society
@planetarysociety.bsky.social
A space advocacy nonprofit founded in 1980 by Carl Sagan, Bruce Murray, and Louis Friedman, now led by Bill Nye.
Find your place in space.
Become a member today: https://www.planetary.org/
Find your place in space.
Become a member today: https://www.planetary.org/
Be part of history! On Oct. 5–6, join 250+ space enthusiasts and 12+ partner organizations in Washington, D.C. as we advocate for NASA Science directly to Congress.
The Day of Action is your chance to stand up for the future of space.
⏳ Registration closes Sept. 30:
www.planetary.org/advocacy/day...
The Day of Action is your chance to stand up for the future of space.
⏳ Registration closes Sept. 30:
www.planetary.org/advocacy/day...
The Day of Action to Save NASA Science
Join us in Washington, D.C., on Oct. 5th & 6th to advocate for NASA science.
www.planetary.org
September 26, 2025 at 3:39 PM
Be part of history! On Oct. 5–6, join 250+ space enthusiasts and 12+ partner organizations in Washington, D.C. as we advocate for NASA Science directly to Congress.
The Day of Action is your chance to stand up for the future of space.
⏳ Registration closes Sept. 30:
www.planetary.org/advocacy/day...
The Day of Action is your chance to stand up for the future of space.
⏳ Registration closes Sept. 30:
www.planetary.org/advocacy/day...
🚀 New tool alert: Track NASA science mission funding month by month. The White House proposed deep cuts, but Congress hasn’t decided yet — leaving missions in limbo. Compare this year’s spending to last year’s and spot early drops that could mean trouble.
www.planetary.org/mission-spen...
www.planetary.org/mission-spen...
NASA Mission Spending Tracker
A month-by-month spending reference for threatened NASA science missions.
www.planetary.org
September 24, 2025 at 6:45 PM
🚀 New tool alert: Track NASA science mission funding month by month. The White House proposed deep cuts, but Congress hasn’t decided yet — leaving missions in limbo. Compare this year’s spending to last year’s and spot early drops that could mean trouble.
www.planetary.org/mission-spen...
www.planetary.org/mission-spen...
JUST IN! Congress is considering a stopgap bill to keep the government open through Nov. 20. OMB is planning to cut billions from NASA during this, risking paid-for missions and thousands of jobs.
Tell Congress to protect NASA science and prevent these cuts: www.planetary.org/advocacy-act...
Tell Congress to protect NASA science and prevent these cuts: www.planetary.org/advocacy-act...
Advocacy Action Center
The Planetary Society is organizing a new space constituency that is educated, empowered, and loud.
www.planetary.org
September 15, 2025 at 4:40 PM
JUST IN! Congress is considering a stopgap bill to keep the government open through Nov. 20. OMB is planning to cut billions from NASA during this, risking paid-for missions and thousands of jobs.
Tell Congress to protect NASA science and prevent these cuts: www.planetary.org/advocacy-act...
Tell Congress to protect NASA science and prevent these cuts: www.planetary.org/advocacy-act...
BREAKING NEWS: NASA has found a potential sign of past life on Mars. www.nasa.gov/news-release...
NASA Says Mars Rover Discovered Potential Biosignature Last Year - NASA
A sample collected by NASA’s Perseverance Mars rover from an ancient dry riverbed in Jezero Crater could preserve evidence of ancient microbial life. Taken
www.nasa.gov
September 10, 2025 at 7:26 PM
BREAKING NEWS: NASA has found a potential sign of past life on Mars. www.nasa.gov/news-release...
A poignant article by Senator Mark Kelly on how ensuring a continued American presence in space is crucial to keeping our country’s engine of science and innovation moving.
Opinion | Mark Kelly: My Fix for NASA
www.nytimes.com
August 7, 2025 at 6:40 PM
A poignant article by Senator Mark Kelly on how ensuring a continued American presence in space is crucial to keeping our country’s engine of science and innovation moving.
Live in the U.S.? We’re organizing in-person meetings for you to speak directly with your elected officials in Washington, D.C.
October 5–6, join us and nearly a dozen partner organizations for the Day of Action to save NASA’s space science.
Make your voice heard. www.planetary.org/advocacy/day...
October 5–6, join us and nearly a dozen partner organizations for the Day of Action to save NASA’s space science.
Make your voice heard. www.planetary.org/advocacy/day...
The Day of Action to Save NASA Science
Join us in Washington, D.C., to advocate for NASA science.
www.planetary.org
July 30, 2025 at 4:34 PM
Live in the U.S.? We’re organizing in-person meetings for you to speak directly with your elected officials in Washington, D.C.
October 5–6, join us and nearly a dozen partner organizations for the Day of Action to save NASA’s space science.
Make your voice heard. www.planetary.org/advocacy/day...
October 5–6, join us and nearly a dozen partner organizations for the Day of Action to save NASA’s space science.
Make your voice heard. www.planetary.org/advocacy/day...
Our efforts are WORKING to Save NASA Science! This is a huge step, but the work is not over.
Thank you to everyone who wrote to your Reps, signed our petition, shared our updates, or spoke to a friend.
Keep contacting Congress, we are almost to the finish line.
www.planetary.org/press-releas...
Thank you to everyone who wrote to your Reps, signed our petition, shared our updates, or spoke to a friend.
Keep contacting Congress, we are almost to the finish line.
www.planetary.org/press-releas...
The Planetary Society commends Congress for rejecting…
The Planetary Society released a statement in response to legislation by the Appropriations Committees of the United States House of Representatives’ and…
www.planetary.org
July 15, 2025 at 5:52 PM
Our efforts are WORKING to Save NASA Science! This is a huge step, but the work is not over.
Thank you to everyone who wrote to your Reps, signed our petition, shared our updates, or spoke to a friend.
Keep contacting Congress, we are almost to the finish line.
www.planetary.org/press-releas...
Thank you to everyone who wrote to your Reps, signed our petition, shared our updates, or spoke to a friend.
Keep contacting Congress, we are almost to the finish line.
www.planetary.org/press-releas...
As New Horizons marks its 10-year anniversary of the Pluto flyby, it’s a bittersweet milestone. The mission, which made headlines globally, now faces the threat of being shut down mid-flight due to proposed NASA budget cuts.
Learn about the Pluto flyby: www.planetary.org/articles/ten...
Learn about the Pluto flyby: www.planetary.org/articles/ten...
Ten years after Pluto, New Horizons faces a new threat
The newly proposed budget for NASA would shut down the spacecraft midflight.
www.planetary.org
July 14, 2025 at 4:43 PM
As New Horizons marks its 10-year anniversary of the Pluto flyby, it’s a bittersweet milestone. The mission, which made headlines globally, now faces the threat of being shut down mid-flight due to proposed NASA budget cuts.
Learn about the Pluto flyby: www.planetary.org/articles/ten...
Learn about the Pluto flyby: www.planetary.org/articles/ten...
What’s really at stake if NASA’s science budget gets slashed and entire science missions are canceled?
We asked the scientists leading those missions, and their stories reveal what we all stand to lose.
Here’s what they told us: www.planetary.org/articles/sci...
We asked the scientists leading those missions, and their stories reveal what we all stand to lose.
Here’s what they told us: www.planetary.org/articles/sci...
Scientists behind threatened NASA missions explain what’s at stake
Here is what they have to say, in their own words.
www.planetary.org
July 8, 2025 at 4:09 PM
What’s really at stake if NASA’s science budget gets slashed and entire science missions are canceled?
We asked the scientists leading those missions, and their stories reveal what we all stand to lose.
Here’s what they told us: www.planetary.org/articles/sci...
We asked the scientists leading those missions, and their stories reveal what we all stand to lose.
Here’s what they told us: www.planetary.org/articles/sci...
Three boys in Murrieta, CA—Jacob, his brother Tommy, and their friend Thomas—set up a lemonade stand, not for extra money but to support our campaign to 'Save NASA Science.' They raised $97 and donated it to our efforts. When kids stand up for space with lemonade, there’s hope for the future.🍋
July 1, 2025 at 8:32 PM
Three boys in Murrieta, CA—Jacob, his brother Tommy, and their friend Thomas—set up a lemonade stand, not for extra money but to support our campaign to 'Save NASA Science.' They raised $97 and donated it to our efforts. When kids stand up for space with lemonade, there’s hope for the future.🍋
Alicia Brown from the Commercial Space Federation and Brittany Webster from @agu.org join the show to discuss NASA’s fiscal year 2026 budget proposal, which aims to cut science by 47%, and reduce staffing to levels not seen since 1960. www.planetary.org/planetary-ra...
Space Policy Edition: NASA’s 2026 budget
Alicia Brown from the Commercial Space Federation and Brittany Webster from the American Geophysical Union join the show to discuss NASA’s fiscal year…
www.planetary.org
June 30, 2025 at 4:29 PM
Alicia Brown from the Commercial Space Federation and Brittany Webster from @agu.org join the show to discuss NASA’s fiscal year 2026 budget proposal, which aims to cut science by 47%, and reduce staffing to levels not seen since 1960. www.planetary.org/planetary-ra...
You’ve seen our advocacy efforts to Save NASA Science—here’s what happened and what’s next as we approach critical budget decisions in Washington. ⬇️ www.planetary.org/articles/sav...
Save NASA Science Campaign progress report
A status update from The Planetary Society's policy experts.
www.planetary.org
June 26, 2025 at 3:53 PM
You’ve seen our advocacy efforts to Save NASA Science—here’s what happened and what’s next as we approach critical budget decisions in Washington. ⬇️ www.planetary.org/articles/sav...
Thanks to our members, we fund vital asteroid impact research through the Shoemaker NEO Grants. These grants help advanced amateur astronomers enhance their observatories and protect Earth from asteroid threats. Read the latest from our grant winners here: www.planetary.org/articles/sho...
Updates from our asteroid-hunting Shoemaker NEO Grant winners
An overview of updates from some of our previous Shoemaker NEO Grant winners.
www.planetary.org
June 24, 2025 at 5:42 PM
Thanks to our members, we fund vital asteroid impact research through the Shoemaker NEO Grants. These grants help advanced amateur astronomers enhance their observatories and protect Earth from asteroid threats. Read the latest from our grant winners here: www.planetary.org/articles/sho...
Today, we delivered a global petition with 20,787 names on it.
20,787 people from all fifty states and around the world raised their voices for NASA.
Thank you for adding your name.
Thank you for taking a stand to Save NASA Science.
📸 1: NASA/Ben Smegelsky
20,787 people from all fifty states and around the world raised their voices for NASA.
Thank you for adding your name.
Thank you for taking a stand to Save NASA Science.
📸 1: NASA/Ben Smegelsky
June 13, 2025 at 9:55 PM
Today, we delivered a global petition with 20,787 names on it.
20,787 people from all fifty states and around the world raised their voices for NASA.
Thank you for adding your name.
Thank you for taking a stand to Save NASA Science.
📸 1: NASA/Ben Smegelsky
20,787 people from all fifty states and around the world raised their voices for NASA.
Thank you for adding your name.
Thank you for taking a stand to Save NASA Science.
📸 1: NASA/Ben Smegelsky
Today is the LAST day to sign our petition! We’re just shy of 20k signatures, with thousands supporting space science. Congress needs to hear from you. Add your name and show that you stand against these cuts. planet.ly/petition
Advocacy Action Center
The Planetary Society is organizing a new space constituency that is educated, empowered, and loud.
www.planetary.org
June 12, 2025 at 5:17 PM
Today is the LAST day to sign our petition! We’re just shy of 20k signatures, with thousands supporting space science. Congress needs to hear from you. Add your name and show that you stand against these cuts. planet.ly/petition
The Planetary Society will provide a NASA budget briefing on Thursday, June 12, at 12pm ET where we'll answer the science community's questions.
Register for free: us06web.zoom.us/webinar/regi...
Register for free: us06web.zoom.us/webinar/regi...
June 11, 2025 at 8:57 PM
The Planetary Society will provide a NASA budget briefing on Thursday, June 12, at 12pm ET where we'll answer the science community's questions.
Register for free: us06web.zoom.us/webinar/regi...
Register for free: us06web.zoom.us/webinar/regi...
Need data to explain the disastrous proposed cuts to NASA?
Here are seven charts that lay out why The White House’s FY2026 budget proposal poses a historic threat to NASA. www.planetary.org/articles/nas...
Here are seven charts that lay out why The White House’s FY2026 budget proposal poses a historic threat to NASA. www.planetary.org/articles/nas...
NASA's disastrous 2026 budget proposal in seven charts
The White House has put forward a radical, wasteful proposal for NASA. We have the data to prove it.
www.planetary.org
June 10, 2025 at 7:46 PM
Need data to explain the disastrous proposed cuts to NASA?
Here are seven charts that lay out why The White House’s FY2026 budget proposal poses a historic threat to NASA. www.planetary.org/articles/nas...
Here are seven charts that lay out why The White House’s FY2026 budget proposal poses a historic threat to NASA. www.planetary.org/articles/nas...
Our global petition to save NASA science closes this Thursday, and we’re just shy of 15,000 signatures! Every name counts, this petition will be hand-delivered to members of Congress. Add yours today, Save NASA Science.
planet.ly/petition
planet.ly/petition
June 9, 2025 at 8:38 PM
Our global petition to save NASA science closes this Thursday, and we’re just shy of 15,000 signatures! Every name counts, this petition will be hand-delivered to members of Congress. Add yours today, Save NASA Science.
planet.ly/petition
planet.ly/petition
Looking for one place to track what’s happening with NASA’s space science budget? 💡 Our Space Policy Advocacy Hub has you covered, with the latest letters, updates, and resources you need to stay informed.
Check it out ➡️ www.planetary.org/save-nasa-sc...
Check it out ➡️ www.planetary.org/save-nasa-sc...
June 5, 2025 at 6:44 PM
Looking for one place to track what’s happening with NASA’s space science budget? 💡 Our Space Policy Advocacy Hub has you covered, with the latest letters, updates, and resources you need to stay informed.
Check it out ➡️ www.planetary.org/save-nasa-sc...
Check it out ➡️ www.planetary.org/save-nasa-sc...
Everything you need to know about the 500-page FY2026 budget proposal for NASA. ⬇️
This week on Planetary Radio, Sarah sits down with Jack Kiraly, our director of government relations, to unpack what’s inside and what it means for the future of space science.
www.planetary.org/planetary-ra...
This week on Planetary Radio, Sarah sits down with Jack Kiraly, our director of government relations, to unpack what’s inside and what it means for the future of space science.
www.planetary.org/planetary-ra...
The dark age of NASA science? Analyzing the FY 2026 budget proposal
The Fiscal Year 2026 congressional budget justification for NASA could mark the beginning of a dark age for NASA science. We examine what’s at stake and…
www.planetary.org
June 4, 2025 at 4:54 PM
Everything you need to know about the 500-page FY2026 budget proposal for NASA. ⬇️
This week on Planetary Radio, Sarah sits down with Jack Kiraly, our director of government relations, to unpack what’s inside and what it means for the future of space science.
www.planetary.org/planetary-ra...
This week on Planetary Radio, Sarah sits down with Jack Kiraly, our director of government relations, to unpack what’s inside and what it means for the future of space science.
www.planetary.org/planetary-ra...
Wondering how NASA science benefits your state? We’ve built an interactive dashboard where you can explore detailed economic impact reports for every U.S. state and the congressional districts they touch.
Explore the data here: dashboards.planetary.org/nasa-science...
Explore the data here: dashboards.planetary.org/nasa-science...
June 2, 2025 at 4:15 PM
Wondering how NASA science benefits your state? We’ve built an interactive dashboard where you can explore detailed economic impact reports for every U.S. state and the congressional districts they touch.
Explore the data here: dashboards.planetary.org/nasa-science...
Explore the data here: dashboards.planetary.org/nasa-science...
BREAKING: The president's budget request just hit Congress, which could usher in a dark age for NASA space science.
Congress has the final say, but you can help shape the outcome by adding your name to our global petition.
This is just the start of our fight.
Sign the petition: planet.ly/petition
Congress has the final say, but you can help shape the outcome by adding your name to our global petition.
This is just the start of our fight.
Sign the petition: planet.ly/petition
May 30, 2025 at 9:57 PM
BREAKING: The president's budget request just hit Congress, which could usher in a dark age for NASA space science.
Congress has the final say, but you can help shape the outcome by adding your name to our global petition.
This is just the start of our fight.
Sign the petition: planet.ly/petition
Congress has the final say, but you can help shape the outcome by adding your name to our global petition.
This is just the start of our fight.
Sign the petition: planet.ly/petition
We are on Capitol Hill today to advocate for space and support the kickoff event of the Planetary Science Caucus, a group of Democratic and Republican members of Congress who support space science and exploration. Learn more about the Planetary Science Caucus: www.planetary.org/advocacy/the...
May 19, 2025 at 6:43 PM
We are on Capitol Hill today to advocate for space and support the kickoff event of the Planetary Science Caucus, a group of Democratic and Republican members of Congress who support space science and exploration. Learn more about the Planetary Science Caucus: www.planetary.org/advocacy/the...
Senator @captmarkkelly.bsky.social is leading a letter urging full funding for NASA Science in FY 2026 and a higher overall NASA budget. It complements the bipartisan House letter from Reps. Chu and Bacon. Senators must join by Wednesday, May 21.
Contact your Senators now ➡️ planet.ly/senateletter
Contact your Senators now ➡️ planet.ly/senateletter
Advocacy Action Center
The Planetary Society is organizing a new space constituency that is educated, empowered, and loud.
planet.ly
May 19, 2025 at 3:40 PM
Senator @captmarkkelly.bsky.social is leading a letter urging full funding for NASA Science in FY 2026 and a higher overall NASA budget. It complements the bipartisan House letter from Reps. Chu and Bacon. Senators must join by Wednesday, May 21.
Contact your Senators now ➡️ planet.ly/senateletter
Contact your Senators now ➡️ planet.ly/senateletter