A new NASA analysis concludes that it is "reasonable to hypothesize" that living things could have formed the odd organic ...

Why it matters: While not evidence of life, these discoveries show that ancient Mars had complex organic chemistry, ...

If life ever existed on Mars, it might have looked like microfossils right here on Earth.

Gypsum is a soft, translucent sulfate mineral that allows just enough light to penetrate for photosynthetic organisms to survive inside, while also protecting them from being desiccated or exposed to ...

Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

A veteran NASA engineer with more than five decades of experience building spacecraft has declared that aliens are real, but have yet to visit our planet. Gentry Lee, 83, joined the US space agency in ...

For Bill Diamond, the president and chief executive of the Search for Extraterrestrial Intelligence Institute (Seti) in ...

NASA’s Curiosity rover has uncovered the largest organic molecules ever detected on Mars. Hidden inside a 3.7 ...

Can NASA and Elon Musk get us to Mars and beyond?

The discovery of the molecules was made with Nasa’s Curiosity rover, which examined a Martian rock named Cumberland. This is ...

Columbia University said Department of Homeland Security agents “made misrepresentations” about searching for a missing ...

Tardigrades, a type of microscopic animal, can reveal information about how life interacts with simulated Martian mineral deposits. The three images on top are active tardigrades in a typical Earth ...