Musk says Grok effort is driven by need to understand the universe and is a "maximally truth-seeking" artificial intelligence.

Curiosity Rover Reveals Mars Had Liquid Water Rippling Patterns Suggest Ancient Martian Lakes Findings Could Extend Mars' Habitability Window ...

NASA's Curiosity rover has found evidence of water on ancient Mars with "rippled textures" and "landslide debris" in the foothills of Mount Sharp. Credit: NASA/JPL-Caltech ...

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 ...

NASA has released stunning images of mysterious colorful clouds drifting in the sky over Mars. Captured by NASA's Curiosity ...

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We are getting a look at the recent weather conditions on Mars! NASA's Curiosity rover sent back these images of twilight ...