Landing humans on Mars could teach us whether life ever existed beyond Earth, how planets change over time, and how humans can live on other worlds. By studying Mars up close, astronauts could answer ...

The curious minds at What If explore what life would have been like if you lived on Mars one billion years ago.

The idea of humans living on Mars is closer to reality than it’s ever been. On Feb. 13, Elon Musk’s SpaceX ferried an international crew of four astronauts to the International Space Station, another ...

Scientists edge closer to answering Mars’ biggest question: Did life ever exist on the red planet? Here's the latest from two new finds.

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, ...

Billions of years ago, Mars’ Jezero Crater held a lake fed by rivers that could have carried minerals and maybe even organic matter. On Earth, places like that are teeming with microbial life. NOVA is ...