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International Space Science Institute (ISSI)
@issibern.ch
The International Space Science Institute (ISSI) in Bern, Switzerland, is an institute of advanced studies where scientists from all over the world meet to discuss and publish about the most-pressing science topics.

Visit us on www.issibern.ch
Check out the latest Topical Collection in Space Science Reviews on "Evolution of the Solar System: Constraints from Meteorites"
edited by Dominik C. Hezel, Herbert Palme, Jutta Zipfel, Alessandro Morbidelli and Klaus Mezger

Find all papers here (open-access): link.springer.com/collections/...
December 16, 2025 at 2:51 PM
💫 Ever wondered what shooting stars can tell us about the edge of space?

The ISSI International Team 580 reveals how tiny cosmic visitors illuminate big scientific questions. 🌠🌍

Read more: www.issibern.ch/meteors-and-... 🔭
Meteors and Phenomena at the Boundary between Earth’s Atmosphere and Outer Space | International Space Science Institute
Discover how MLT plays a crucial role in understanding meteor showers and their impact on our atmosphere.
www.issibern.ch
December 15, 2025 at 9:28 AM
Did you miss the latest ISSI Game Changer seminar about the Local Distance Network to determine the Hubble Constant at 1% precision?

– Worry not, you can rewatch it here:
youtu.be/wCAFh7VUdTg
December 12, 2025 at 2:24 PM
📡🌍 A diverse group of scientists is exploring how space-based Earth Observation (EO) data can be made genuinely useful for local climate adaptation and decision-making, not just global monitoring. 🛰️🌱

👇
www.issibern.ch/opening-up-e...

#EarthObservation #ClimateAdaptation #OpenScience #ISSI
Opening Up Earth Observations for Climate Adaptation: Highlights from the Ongoing ISSI Workshop | International Space Science Institute
Explore Climate Adaptation strategies using space-based Earth observations for local communities facing climate change challenges.
www.issibern.ch
December 12, 2025 at 8:43 AM
We care about details.

At ISSI, inspiring and communicating science runs through everything we do — right down to the envelopes we send. ✨📬

Thank-you to Stefan Scherrer for the stunning artwork.

Sometimes the smallest details carry the biggest inspiration. 🌍🪐

#SpaceScience #GraphicDesign 🔭
December 11, 2025 at 9:30 AM
Join us today! 👇
Join the Panel Discussion:
Local Distance Network to the Hubble Constant 🌌🔭

What to expect: lively debate, state-of-the-art results, and a chance to get up to speed on one of cosmology’s biggest puzzles.

🗓 December 11, 2025

www.issibern.ch/game-changer...
The Local Distance Network to Hubble Constant
Online Panel Discussion with Stefano Casertano, Richard I. Anderson, Eleonora Di Valentino, Adam Riess and Licia VerdeDecember 11, 2025 (17h CET | 11H EDT)
www.issibern.ch
December 11, 2025 at 7:03 AM
Reposted by International Space Science Institute (ISSI)
Not to be missed - one of the hot topics in astrophysics!
Join the Panel Discussion:
Local Distance Network to the Hubble Constant 🌌🔭

What to expect: lively debate, state-of-the-art results, and a chance to get up to speed on one of cosmology’s biggest puzzles.

🗓 December 11, 2025

www.issibern.ch/game-changer...
The Local Distance Network to Hubble Constant
Online Panel Discussion with Stefano Casertano, Richard I. Anderson, Eleonora Di Valentino, Adam Riess and Licia VerdeDecember 11, 2025 (17h CET | 11H EDT)
www.issibern.ch
December 6, 2025 at 9:14 AM
Reposted by International Space Science Institute (ISSI)
Join the Panel Discussion:
Local Distance Network to the Hubble Constant 🌌🔭

What to expect: lively debate, state-of-the-art results, and a chance to get up to speed on one of cosmology’s biggest puzzles.

🗓 December 11, 2025

www.issibern.ch/game-changer...
The Local Distance Network to Hubble Constant
Online Panel Discussion with Stefano Casertano, Richard I. Anderson, Eleonora Di Valentino, Adam Riess and Licia VerdeDecember 11, 2025 (17h CET | 11H EDT)
www.issibern.ch
December 1, 2025 at 3:52 PM
Join the Panel Discussion:
Local Distance Network to the Hubble Constant 🌌🔭

What to expect: lively debate, state-of-the-art results, and a chance to get up to speed on one of cosmology’s biggest puzzles.

🗓 December 11, 2025

www.issibern.ch/game-changer...
The Local Distance Network to Hubble Constant
Online Panel Discussion with Stefano Casertano, Richard I. Anderson, Eleonora Di Valentino, Adam Riess and Licia VerdeDecember 11, 2025 (17h CET | 11H EDT)
www.issibern.ch
December 1, 2025 at 3:52 PM
What happens when world-class solar scientists meet a cozy bar in Bern?

ISSI teamed up with Astronomy on Tap Bern for an unforgettable evening with 3 amazing talks, a full house, and even a debate on whether the heliosphere is shaped like a croissant 🥐, or not.

www.issibern.ch/astronomy-on... ☀️🔭
Astronomy on Tap x ISSI: A Full House, Three Brilliant Suns, and One Croissant-Shaped Mystery | International Space Science Institute
Explore ISSI's Astronomy on Tap Bern, where experts share fascinating insights about solar physics and total solar eclipses.
www.issibern.ch
November 25, 2025 at 1:46 PM
Reposted by International Space Science Institute (ISSI)
How can we tell if climate adaptation efforts work? Study shows how satellites help assess risks and track progress. Satellite data could transform how we track progress on global climate resilience for the Paris Agreement’s framework of the Global Goal on Adaptation. climate.esa.int/en/news-even...
November 11, 2025 at 4:06 PM
Adaptation is now as urgent as mitigation.

Discover how Earth observations can help measure real progress on climate resilience in our new ISSI feature 🌎

📖 www.issibern.ch/earth-observ...

#ClimateAdaptation #EarthObservation #RemoteSensing #Sustainability #ISSI #ClimateScience #ParisAgreement
New Perspective “Earth observations for climate adaptation” | International Space Science Institute
Explore how climate adaptation benefits from Earth observations and operational adaptation tracking in recent research.
www.issibern.ch
November 11, 2025 at 11:16 AM
🌍 Ever wonder how different layers of the atmosphere talk to each other?

Explore day-to-day changes in the mesosphere and lower thermosphere (50–120 km up) and why they matter for satellites, GPS & comms.

🔭 Read more: www.issibern.ch/day-to-day-c...
#SpaceWeather #Geoscience #MLT
Connecting Earth and Space to Understand Day-to-Day Changes in the Upper Atmosphere | International Space Science Institute
Explore MLT's variability and its impact on GPS and satellite communications in our interconnected world.
www.issibern.ch
November 11, 2025 at 8:46 AM
🌲🌲🌲
This week, @miguelmahecha.bsky.social and international colleagues examine as part of the ISSI Forum how genetic information can enhance the prediction and management of forest futures under accelerating climate change. 🌲🌲
October 23, 2025 at 6:21 PM
"Earth Observations in the Era of Climate Overshoot“ watch here the webinar with Ben Poulter @benpoulter.bsky.social
youtu.be/3nm5ns3NQkw

As the planet enters a likely phase of climate overshoot beyond 1.5°C, Earth systems may respond in fast and unexpected ways.
Earth Observations in the Era of Climate Overshoot: Novel Earth System Responses with Ben Poulter
YouTube video by International Space Science Institute
youtu.be
October 17, 2025 at 1:48 PM
Join us today (October 16) to the live webinar with @benpoulter.bsky.social
We start at 17h CEST | 11h EDT
More Information and access to the webinar www.issibern.ch/earth-observ...
October 16, 2025 at 7:36 AM
🚨 Last chance!

Apply this week for the Johannes Geiss Fellowship — don’t miss the opportunity! 🔭
October 6, 2025 at 9:17 AM
Join us for our upcoming Game Changers Webinar with @benpoulter.bsky.social (Spark Climate Solutions, USA) about:

"Earth Observations in the Era of Climate Overshoot“

All details available on:
www.issibern.ch/results/game... 🔭
Game Changers Webinars | International Space Science Institute
Starting in the summer of 2020, the International Space Science Institute has organized the weekly on-line seminar series called “Game Changers”. After six series of weekly talks on the themes of “Mis...
www.issibern.ch
October 4, 2025 at 6:03 PM
Reposted by International Space Science Institute (ISSI)
If you missed the @issibern.ch Game Changer Seminar by Mike Wong you can now watch it here:
www.youtube.com/watch?v=v8B2...

He discussed the fantastic OPAL program that uses the Hubble Space Telescope to obtain long-time baseline observations of the outer planets to understand their atmospheres.
OPAL 10-year anniversary with Mike Wong
YouTube video by International Space Science Institute
www.youtube.com
September 29, 2025 at 1:17 PM
Can intracluster light, the light from stars that no longer belong to any one galaxy, probe how galaxy clusters grow and how dark matter is distributed?

💡 ISSI International Team 577 around Prof. Nina Hatch has answers: www.issibern.ch/turning-ghos... 🔭
Turning Ghostly Light into a Cosmic Tool | International Space Science Institute
Beneath the starlight that comes from the galaxies themselves one can find a much fainter glow: the intracluster light (ICL).
www.issibern.ch
September 25, 2025 at 1:11 PM
"OPAL 10-Year Anniversary" mark you calendars for the live webinar with Mike Wong. NASA’s Outer Planet Atmospheres Legacy (OPAL) program uses the Hubble Space Telescope to capture yearly global portraits of Jupiter, Saturn, Uranus, and Neptune. 🔭
OPAL 10-Year Anniversary
Webinar with Mike Wong (University of California, USA)Thursday, 25th September 2025 (17h CEST | 11h EDT)
www.issibern.ch
September 23, 2025 at 12:10 PM
Curious about Strong Gravitational Lensing? Dive into SSRev’s new open-access collection (resulting from an ISSI Workshop): link.springer.com/collections/...
September 17, 2025 at 7:35 AM
Grüezi and welcome!

We are delighted to welcome Dr. Brian Welch as ISSI Fellow! 🌟

His research uses the James Webb Space Telescope to study how the first galaxies formed the chemical elements that make up our Universe.

Learn more:
www.issibern.ch/welcoming-dr... 🔭
Welcoming Dr. Brian Welch, our new ISSI Fellow! | International Space Science Institute
Dr. Brian Welch joins ISSI to investigate the origins of elements in young galaxies and unravel the mysteries of galaxy formation.
www.issibern.ch
September 15, 2025 at 7:32 AM
ISSI Programme Manager, Raphael Marschall @spacemarschall.net, giving his #EPSCDPS2025 presentation about comets and what they tell us about the formation of the proto-solar disk. 🤩
September 11, 2025 at 2:19 PM
Come to the ISSI booth at #EPSCDPS2025 and sign up for our newsletter to receive updates about our scientific opportunities, open calls, and project submission deadlines.

It’s the first step to visit ISSI in Bern and increase the famous ISSI coffee machine counter:

255,000 coffees & counting. ☕️📈
September 10, 2025 at 8:58 AM