Two moons orbit Mars, and one of them may be on a path to extinction. However, will this prediction actually come to pass? Here's more about what's happening.

Curiosity is exploring Mars’ boxwork terrain, where ridges and hollows may have formed from cementation and erosion. The ...

A Martian rock bearing unusual ‘leopard spot’ patterns may be the most compelling evidence yet of ancient microbial life on ...

The rock, discovered by NASA’s Perseverance rover, has colorful leopard-like spots, suggesting chemical reactions possibly caused by microbial organisms. “Layering, nodules, reaction fronts ...

Scientists have, for the first time, pinned down exactly when microbes colonized a meteorite impact crater. The team shows ...

To be clear, NASA relies on the Committee on Space Research (COSPAR)’s planetary protection policy as the main way it demonstrates compliance with Outer Space Treaty (OST) planetary protection ...

Mars is often described as a dead planet, but fresh findings suggest it may have been much livelier in the past—at least ...

Learn why scientists are cautiously optimistic about the potential biosignatures found in the Sapphire Canyon rock sample.

We’re often the first humans to put eyes on those images. We tell Perseverance to reach out, and grind rocks, take pictures, ...

NASA’s Perseverance rover revealed 24 mineral types in Jezero Crater, showing Mars experienced several water episodes.

NASA’s other rover, Perseverance, landed in the Jezero Crater on February 18, 2021, to search for signs of ancient life and collect rock samples for a future return to Earth.