A single asteroid impact may explain both Deimos’ huge south-polar depression and the thick blanket of debris covering the Martian moon. Simulations point to a roughly 320-meter asteroid striking at ...

Explosive volcanic eruptions on early Mars may have transported water ice to equatorial regions, according to a modeling study published in Nature Communications. The authors suggest that these ...

Due to extreme temperatures and the dryness of Mars, it's thought to be impossible for liquid water to form on the planet's surface, a critical precondition for habitability. The only hope of finding ...

Perseverance is exploring Mars’ sandy ripples, strange frozen waves that could reveal how wind still shapes the planet. Along the way it uncovered unusual helmet-shaped rocks, sparking new questions ...

Earth’s neighbor still has secrets that science is trying to figure out, and one of them is potential signs of life.

NASA's Perseverance rover has added to its trove of curious finds, as the space agency published a photo of a rock on the surface of Mars that looks like a centuries-old helmet. The rock has a pointed ...