Mars is by far the most Earth-like planet in the solar system… but that's not saying much. We know that Mars once hosted oceans, rivers, lakes, streams. It had a thick, carbon-dioxide-rich atmosphere.

The search for life on Mars dates back about five decades, and a Sept. 10 announcement marks perhaps the most dramatic advancement yet. The news: NASA's Perseverance rover had found potential signs of ...

Is there life on Mars? Or maybe just a turtle? A bizarre picture taken by a rover on the Red Planet appears to show what looks like a distinctive shelled reptile. NASA’s Perseverance robot spotted the ...

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, ...

If life ever existed on Mars, traces of it might still be frozen beneath the planet's icy surface.

A long time ago, life left microscopic signatures on Mars — or did it? That's the question NASA scientists have worked for years to answer. On Wednesday, NASA researchers said the answer might be in a ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

NASA’s discovery of potential evidence of ancient life on Mars means “our galaxy could be teeming with life,” says a ...