PSI is a private nonprofit dedicated to studying the origin, characteristics, and evolution of Earth, our Solar System, and planetary systems around other stars
Tucson, AZ
Joined September 2013
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Sending yourself to Titan might still be a while away, but you can send your name now! ⬇️
Your name could fly on Saturn’s largest moon.
NASA’s Dragonfly mission will launch in 2028 to explore the dunes, lakes, and rivers of Saturn’s moon, Titan, and your name can come along! Join the voyage and claim your boarding pass: go.nasa.gov/dragonfly-names
ALT A poster-style graphic of the the Dragonfly rotorcraft and two example boarding passes with a reddish-tan background. Text on the graphic reads "Journey to Titan" and "Fly your name to another world!"
How can scientists identify minerals on distant asteroids?
PSI's Jean-Philippe Combe explores techniques for detecting olivine on asteroid Vesta using near-infrared spectroscopy, comparing methods for speed and accuracy.
#DPS2026
Planetary science meets art at Burning Man!
PSI's Jamie Molaro shares the Skyhorse Carousel, an unconventional approach to bringing science to new audiences through art and informal outreach.
#DPS2026
What's next for the planetary science community?
At #DPS2026, PSI's JA Grier presents a strategic vision for sustaining, rebuilding, and transforming a strong, ethical planetary science research community.
TOMORROW: PSI Director and CEO Amanda Hendrix explores how the spectral characteristics of primitive asteroids vary with their type and distance from the Sun.
#DPS2026
A meteorite that fell in France more than 200 years ago may hold clues to the history of asteroid Vesta.
At #DPS2026, PSI's Jean-Philippe Combe revisits the Juvinas meteorite and explores questions about its origins.
What can Saturn's largest moon teach us about the ingredients for life?
PSI's Catherine Neish explores Titan's fascinating chemistry in the 2026 DPS Alexander Prize presentation.
Don't miss this special talk at #DPS2026!
New research led by PSI's Jordan Steckloff reveals a "kilometer-size barrier" that prevents asteroids from breaking directly into dust, challenging previous models of planetary debris formation.
MORE: buff.ly/rQ75Ikf
Some distant worlds may be living on borrowed time! 🪐
PSI's Elisabeth Adams shares the latest candidate planets potentially headed toward destruction by their host stars, along with an introduction to the Transit Archive Project.
#DPS2026
PSI's Jordan Steckloff explores how the powerful gravity of white dwarf stars tears apart asteroids and why the resulting debris may have a characteristic size.
#DPS2026
PSI's Jamie Molaro examines fatigue-crack formation in samples returned from asteroid Bennu, offering insight into how asteroid surfaces change over time.
Catch the presentation tomorrow morning at #DPS2026!
TOMORROW: PSI's Jordan Steckloff will share new research during a press conference at #DPS2026!
Livestream: buff.ly/4Ixm2hn
🌕 Could caves be hiding beneath the Moon's surface?
Join PSI's Dr. Than Putzig on Nov. 11 in Tucson to learn how the NASA-selected GIMLI investigation will search for what lies beneath and why it matters for future human exploration.
🎟️ Tickets: $20
🔗 buff.ly/p6k1cfa
#DPS2026 - PSI scientists Nalin Samarasinha and Kat Volk will be highlighting their respective research at the poster session TODAY from 12:45 - 2:00 pm.
More Details ⬇️
📬 The latest PSI Weekly Briefing is here!
Catch up on the latest science, people, and happenings from around the Planetary Science Institute, all in one place.
➡️ Read + subscribe: buff.ly/WyMWjIE
What more can we learn from radar observations of Mars?
At #DPS2026, PSI's Gareth Morgan shares new results from SHARAD, exploring how increased radar gain can reveal more about the Martian subsurface.
PSI is kicking off #DPS2026 with a talk two decades in the making! 🔴
PSI's Than Putzig explores 20 years of discoveries from the Mars Reconnaissance Orbiter's SHARAD instrument and what radar has revealed about the red planet's hidden layers.
PSI Senior Scientist Jamie Molaro sewed this week's #SciArt, a fun and cute baby quilt with navy blue silk and purple/teal patterned cotton. The Moon was created using a Photoshop filter on a photo to blur and separate the light and dark regions for cutting.
Ancient asteroid impacts left clues hidden in Earth's rocks. ☄️
From microscopic crystals to massive layers of buried debris, PSI scientists are piecing together the history of these powerful collisions.
Read more: buff.ly/AYIooFy
Tune in NOW to hear the latest from NASA ⬇️
Ready for an Artemis update?
Tune in Friday, Oct. 23, at 2 p.m. ET (1800 UTC) to hear our latest progress and accelerated plans for Artemis lunar missions.
Watch live: youtube.com/live/pAKqJxuxDgk
ALT A detailed view of the Moon’s heavily cratered gray surface fills the left side of the image. In the distance on the right, a thin crescent Earth appears illuminated against a black sky, with the blue and white colors of the planet visible along the bright edge. Credit: NASA