Top: Black and white image of the Moon from Moon Mineralogy Mapper data. Bottom: Map of water on the Moon. The different colors represent different shapes to the water absorption and correlate with ...

Lava tubes are high priority targets for in situ exploration of Mars, with the potential to provide access to subsurface cavities that could facilitate scientific studies of the Martian subsurface as ...

Oct. 28, 2024, TUCSON, Ariz. – The Moon and Mars are pocked with giant impact craters acquired very long ago, while there appears to be a dearth of them on Earth and Venus. Time may have healed many ...

Nov. 1, 2024, TUCSON, Ariz. – On a cold, ancient Mars, rivers flowed and a lake the size of the Mediterranean Sea swelled under the protection of thick ice ceilings, according to new research ...

Illustration of the uncertainty of Earth's orbit 56 million years ago due to a potential past passage of the Sun-like star HD7977 2.8 million years ago. Each point's distance from the center ...

The march of the planets around the Sun may seem interminable, but new research suggests that the likelihood of another star in our galaxy passing by and disrupting our Solar System is slightly higher ...

Mishal K T was awarded the 2025 Pierazzo International Student Travel Award at the Lunar and Planetary Science Conference at The Woodlands, Texas, along with a check for $2,000 from PSI Director and ...

Your support makes a difference! As a Planetary Partner, YOU will enable our Scientists and Educators to advance world-class Solar System research and grassroots ...

July 15, 2025, TUCSON, Ariz. – Orbiting in the outskirts of the Solar System is a mysterious object moving in rhythm with Neptune, according to a new paper published in the Planetary Science Journal.

July 24, 2025, TUCSON, Ariz. – On the slopes of Martian mountains and craters clings what appears to be flowing honey, coated in dust and frozen in time. In reality, these features are incredibly slow ...

The Planetary Science Institute signed a cooperation agreement with Qian Xuesen Laboratory of Space Technology (Qian Xuesen Lab) to advance their mutual interests in facilitating the open-ended ...

Secondary craters – you know, the kind that are created by the falling debris that follows an initial impact – are what scientists call… annoying. This is because they can muddy up crater counts, ...