NASA's Viking missions to Mars may have discovered evidence for life on the Red Planet after all, according to scientists who ...

Organic compounds found in Mars rocks are too abundant to rule out the possibility of Martian life in the red planet’s history, NASA scientists say. In March of 2025, NASA’s Curiosity rover discovered ...

Organic molecules found by the Curiosity rover are too common to be explained by any process we know, other than life, ...

Fifty years ago, NASA’s Viking missions to Mars made groundbreaking attempts to detect life on the Red Planet. While the missions initially returned negative results, a new study published in the ...

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

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 ...

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, ...

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

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.

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 ...