The strongest hints yet that Mars once hosted living microbes are no longer theoretical models or ambiguous chemistry. They ...

NASA's Perseverance rover discovered rocks on Mars, providing new evidence the red planet was once a wet, habitable world ...

We may have detected Martian life 50 years ago.

A rock sample collected by the Mars Perseverance rover could help answer the question of "whether Mars was home to ...

The discovery suggests that parts of Mars may once have supported tropical-like climates, complete with heavy, sustained rainfall.

A mudstone sample from Jezero Crater shows textures and minerals that on Earth often form through microbial activity. Scientists caution that nonbiological processes could also explain the features, ...

It's not the first time there have been claims of signs of life on Mars, so why are scientists particularly thrilled now? When you purchase through links on our site, we may earn an affiliate ...

Advances in technology have reopened the debate over terraforming Mars, shifting it from an impossible dream to a long-term scientific and ethical question.