UArizona Lunar and Planetary Laboratory
uarizonalpl.bsky.social
UArizona Lunar and Planetary Laboratory
@uarizonalpl.bsky.social
The Lunar and Planetary Laboratory at the University of Arizona in Tucson.
Congratulations to the LPL's HiRISE team for successfully imaging interstellar comet 3I/ATLAS!
HiRISE Image of Exocomet 3I/ATLAS!

On 2 October 2025, MRO turned away from Mars to image 3I/ATLAS, only the third interstellar object ever observed passing through our solar system!

https://www.uahirise.org/releases/3i-atlas/
November 19, 2025 at 9:14 PM
TONIGHT! Don't miss the last LPL Evening Lecture of 2025!
Join us for the last LPL Evening Lecture of 2025! Dr. Solange Duhamel is speaking on Wednesday, November 19 at 7:00pm at the Kuiper Space Sciences building in Tucson or you can register to join online. www.lpl.arizona.edu/calendar/eve...
November 19, 2025 at 3:56 PM
Reposted by UArizona Lunar and Planetary Laboratory
Space Drafts #111 is 7:30p this Wed. @ Zerai's Intl Bar (2725 E Broadway Blvd, Tucson, AZ)! We have UA grad students Anna Taylor, on how exoplanets lose their atmospheres, and Maria Mutz, on why neutron stars are so cool! If you can't make it in person we are also streaming at bit.ly/SpaceDrafts111.
November 13, 2025 at 2:34 AM
One week from tonight don't miss Dr. Solange Duhamel speak at the last LPL Evening Lecture of the semester.
Join us for the last LPL Evening Lecture of 2025! Dr. Solange Duhamel is speaking on Wednesday, November 19 at 7:00pm at the Kuiper Space Sciences building in Tucson or you can register to join online. www.lpl.arizona.edu/calendar/eve...
November 12, 2025 at 4:28 PM
Join us for the last LPL Evening Lecture of 2025! Dr. Solange Duhamel is speaking on Wednesday, November 19 at 7:00pm at the Kuiper Space Sciences building in Tucson or you can register to join online. www.lpl.arizona.edu/calendar/eve...
October 24, 2025 at 5:04 PM
TONIGHT! Don't miss this LPL Evening Lecture featuring a talk by Dr. Jack Holt!
Make sure the next LPL Evening Lecture is on your calendar! On October 22, Dr. Jack Holt will present "Studying Earth's Glaciers to Unlock Martian Mysteries." We encourage in-person attendees to come early to see special exhibits! www.lpl.arizona.edu/events/lpl-e...
October 22, 2025 at 5:35 PM
Only one week left until the next LPL Evening Lecture! Make sure it's on your calendar! More info: www.lpl.arizona.edu/events/lpl-e...
October 15, 2025 at 5:03 PM
When astronauts land near the moon's south pole as part of NASA's Artemis program, they likely will find themselves in an unexpected treasure trove of clues that could help scientists better understand how Earth's only natural satellite came to be. news.arizona.edu/news/moons-b...
Moon's biggest impact crater made a radioactive splash
New analyses of the largest impact crater on the moon reveal unexpected insights into its tumultuous past. They also suggest that once astronauts return to the moon, they will have access to a veritab...
news.arizona.edu
October 8, 2025 at 4:46 PM
Make sure the next LPL Evening Lecture is on your calendar! On October 22, Dr. Jack Holt will present "Studying Earth's Glaciers to Unlock Martian Mysteries." We encourage in-person attendees to come early to see special exhibits! www.lpl.arizona.edu/events/lpl-e...
October 1, 2025 at 4:34 PM
Kudos to LPL Assistant Professor DellaGiustina! 🎉 More information about this honor can be found here: aas.org/press/aas-na...
September 25, 2025 at 5:44 PM
TONIGHT! Stop by to listen to Dr. Christopher Hamilton's evening lecture. Guests can come early to see some special exhibits as well!
Dr. Hamilton is the first in our "Space on Earth" LPL Evening Lectures for Fall 2025! Come listen to Dr. Hamilton speak on "Mars on Earth: Testing Tomorrow's Mars Missions in Iceland." More information can be found here: www.lpl.arizona.edu/calendar/eve...
September 17, 2025 at 3:43 PM
There's only one week until the first 2025 LPL Evening Lecture with Dr. Christopher Hamilton! We encourage in-person attendees to come early to see special exhibits!
Dr. Hamilton is the first in our "Space on Earth" LPL Evening Lectures for Fall 2025! Come listen to Dr. Hamilton speak on "Mars on Earth: Testing Tomorrow's Mars Missions in Iceland." More information can be found here: www.lpl.arizona.edu/calendar/eve...
September 10, 2025 at 5:53 PM
The application to join the LPL Planetary Sciences PhD program is now open! Visit lpl.arizona.edu/admissions for more information.
August 25, 2025 at 9:33 PM
Asteroid Bennu – the target of NASA's OSIRIS-REx mission, led by LPL – is a mixture of materials from throughout, and beyond, our solar system. Over billions of years, its uniquely varied contents have been transformed by water and the space environment. news.arizona.edu/news/asteroi...
Asteroid Bennu is a time capsule of materials bearing witness to its origin and transformation over billions of years
Three new papers reveal yet more secrets from samples collected by the University of Arizona-led OSIRIS-REx mission from asteroid Bennu.
news.arizona.edu
August 22, 2025 at 5:26 PM
Dr. Hamilton is the first in our "Space on Earth" LPL Evening Lectures for Fall 2025! Come listen to Dr. Hamilton speak on "Mars on Earth: Testing Tomorrow's Mars Missions in Iceland." More information can be found here: www.lpl.arizona.edu/calendar/eve...
August 20, 2025 at 5:26 PM
Please join us in congratulating Samantha Moruzzi, who today successfully defended her Ph.D. Dissertation, Geophysical Evolution of Sputnik Basin on Pluto.

Congratulations, Samantha!

📸: Samantha is pictured with her advisor, Dr. Jeff Andrews-Hanna.
August 5, 2025 at 7:15 PM
Kudos to our LPL alums! 🎉
July 31, 2025 at 7:35 PM
It's time to mark your calendars! The 2025 LPL Evening Lecture Series features "Space on Earth." You can attend any lecture in-person or virtually. We hope to see you there! lpl.arizona.edu/calendar/eve...
July 29, 2025 at 5:31 PM
A recently discovered extraterrestrial "visitor" is hurtling toward the inner solar system at 130,000 miles per hour and has quickly captured the attention of astronomers and space enthusiasts around the world, including here at LPL. news.arizona.edu/news/emissar...
An emissary from interstellar space
Discovered only a week ago, comet 3I/ATLAS is only the third known visitor from outside the solar system. U of A astronomer Carson Fuls explains what makes the comet special – and why we can only gues...
news.arizona.edu
July 10, 2025 at 5:26 PM
Join LPL Prof. Pierre Haenecour at the Arizona-Sonora Desert Museum during Cool Summer Nights on July 19! More details can be found here: www.desertmuseum.org/visit/events...
July 9, 2025 at 5:01 PM
Please join us in congratulating Samuel Myers, who today successfully defended his Ph.D. Dissertation, Understanding the Limits of Simple Thermal Models for Characterizing Near-Earth Asteroids.

Congratulations, Sam!

📸: Sam is pictured with his Ph.D. advisor, Dr. Ellen Howell
June 26, 2025 at 8:51 PM
The University of Arizona ranked #4 in space sciences globally according to the latest report from US News and World report! This ranking includes both LPL and @stewardobservatory.bsky.social. Read more about this honor here: www.usnews.com/education/be...
www.usnews.com
June 20, 2025 at 5:23 PM
An international team of astronomers including researchers from LPL has unveiled groundbreaking findings about the disks of gas and dust surrounding nearby young stars, using the powerful Atacama Large Millimeter/submillimeter Array, or ALMA. news.arizona.edu/news/reveali...
Revealing the lives of planet-forming disks
New observations of 30 planet-forming disks – the birthplaces of planets around stars – reveal in greater detail than ever how gas and dust behave over time and shape the evolution of exoplanet system...
news.arizona.edu
June 20, 2025 at 3:09 PM