NASA’s report of potential signs of ancient life on Mars has reignited a long-running scientific debate about how common life ...

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, ...

Has NASA's Perseverance rover at long last found evidence that life did indeed once exist on Mars? Well, after more than four years of scouring the Red Planet's rocky surface, the intrepid rover has ...

Right now there is no conclusive evidence of life on Mars past or present. Nasa’s “leopard spots” are the most promising ...

NASA has discovered strong evidence for ancient life on Mars, a potentially groundbreaking finding for humanity. In this video, Kobi Brown visits the NASA JPL team to discuss the search for alien life ...

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 ...

Acting NASA Administrator Sean Duffy and Nicky Fox, head of NASA's Science Mission Directorate, discuss the paper published this morning in "Nature" presenting the best evidence yet of ancient ...

NASA announced it found promising potential biosignatures on Mars. Potential biosignatures are things like chemicals and structures that could be a result of life on the planet, but more research was ...

NASA made a big splash today, announcing that its Mars Perseverance rover had spotted “potential biosignatures” last year while examining a rock covered in unusual spots. It was a compelling finding, ...

In 2013, NASA discovered a bacteria evading its most stringent disinfections. Scientists just figured out how it does it.