Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

Scientists are cataloging and analyzing the first samples collected by NASA's Perseverance rover while the agency weighs its ...

Harvard scientists studying the mystery of water and life on ancient Mars believe they may have finally found a solution.

The above image shows a 20-meter-long chunk of frozen carbon dioxide falling off a cliff. Rising temperatures during the ...

NASA's Curiosity rover has found evidence of water on ancient Mars with "rippled textures" and "landslide debris" in the ...

NASA’s Perseverance rover is making history by collecting handpicked Martian samples for future return to Earth. Scientists are eager to study these specimens to unlock secrets about Mars’ ancient ...

A Mars image shows a strange square formation. Some think it's artificial, but experts suggest natural causes.

NASA's Perseverance rover collects Martian soil samples from Jezero Crater, revealing potential signs of past life on Mars.

Earliest inner solar system planetesimals shaped the inventory of moderately volatile elements in terrestrial planets.

The rover's 26th sample, known as "Silver Mountain," has textures "unlike anything we've seen before," NASA says.

On Earth, life is found nearly everywhere there’s water. And the Percy team is on a mission to find out if the same was true for Mars billions of years ago, when the planet’s climate was much more ...

NASA's Rover found ripples in Martian rock that resemble the wave patterns on a sandy lake bed on Earth. The ripples could only have come from liquid water.