Ground-penetrating radar reveals a long-lost river system hidden under the surface of Mars. (NASA/JPL/UCLA/UiO/ETH Zurich) ...

By Will Dunham WASHINGTON, March 18 (Reuters) - Using ground-penetrating radar, NASA's Perseverance rover has detected ...

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

NASA’s twin ESCAPADE spacecraft will uncover how the Sun stripped Mars of its atmosphere. Mars is a very different world ...

NASA photos appear to show a pyramid-like structure the same size as Giza on Mars, prompting speculation about whether an ...

A potential new mineral on Mars forms when iron sulfates are heated above 100°C. Data from Valles Marineris regions suggest ...

Learn how water bears (tardigrades) reacted to simulated Martian regolith, what the results reveal about toxic compounds in ...

A routine drive by NASA’s Curiosity rover accidentally cracked open a Martian rock, revealing rare yellow sulfur crystals. The strange discovery has scientists questioning how such an unexpected ...

NASA’s Mars Reconnaissance Orbiter has located a fresh crater on Mars after 20 years of monitoring, providing high-resolution images and updated data on surface features and seasonal streaks.

PASADENA, Calif. — NASA's huge Curiosity rover appears to have survived its harrowing Mars landing Sunday night (Aug. 5) in fine form, and it's now gearing up for its two-year mission on the Red ...

A new study shows how simulated Mars dust affects tardigrades, offering insight into space farming and contamination risks.