"I'll always remember the first time I saw those iridescent clouds and was sure at first it was some color artifact." ...

Perseverance Rover Analyzes Serpentine Lake Rock on Mars Serpentine Minerals Found in Rock Point to Ancient Water Presence ...

Martian clouds are almost always made of dry ice, or frozen carbon dioxide. 95% of the planet's atmosphere is CO2.

On Feb. 18, 1979, snow fell in the Sahara Desert in southern Algeria for the first known time. It fell a second time in 2016 ...

NASA's Perseverance rover has spotted an oddball rock in an ancient river channel on Mars. Deputy project scientist Katie Stack Morgan explains. Credit: NASA/JPL-Caltech/ASU/MSSS ...

NASA's Perseverance collects the “Silver Mountain” sample in Jezero, revealing geological secrets and possible traces of ...

Meet Grace, the brave hopper robot that’s designed to jump into the darkest depths of the Moon, providing never-before-seen ...

The iridescent cloud reveals new clues about ice formation in the Martian atmosphere (no little green men, sorry).

NASA’s Curiosity rover captured stunning images of Martian twilight clouds, revealing iridescent dry ice formations on Mars.

NASA’s Curiosity rover has captured breathtaking images of red and green-tinted clouds drifting across the Martian sky. These ...