A quick start to life on Earth could mean that life could also emerge quickly on other worlds—either Earth-like planets circling other stars, or perhaps even other planets or moons in our own solar ...

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, ...

Recently, NASA announced that the Mars Perseverance rover has found indications that life may have at one time existed on the Red Planet. The announcement did not mark the first time the space agency ...

Mars is no longer just a story about a single lost ocean or one fleeting window for biology. Taken together, recent rover results and orbital studies now point to a planet that may have been welcoming ...

Over four years since it landed on Mars, NASA's Perseverance Rover might have made serious headway in its mission to find signs of ancient microbial life on the planet. Last July, the autonomous ...

Hints of ancient microbes in Martian rocks and a revived theory about our cosmic ancestry are forcing scientists to rethink where the story of life really began. Instead of a warm little pond on early ...

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 ...

There's something quite curious about Curiosity, according to one Mars researcher. A scientist who worked on NASA's 1976 Viking landers to the Red Planet claims that the Mars Science Laboratory's ...