We may have detected Martian life 50 years ago.

NASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts to collect Perseverance rover samples that could contain evidence of alien ...

The curious minds at What If investigate the possibility of microbial life on Mars, revealing water sources, radiation ...

Mars once had sprawling river systems that rivaled major watersheds on Earth, and scientists have now identified the biggest ones for the first time. Researchers mapped 16 massive drainage basins ...

WASHINGTON — A new report from the National Academies of Sciences, Engineering, and Medicine identifies the highest priority science objectives for the first human mission to Mars, and says searching ...