Ancient organisms may have left microscopic "biosignatures" on Mars. That's according to NASA scientists, who say a rock ...

NASA's Perseverance rover has uncovered rocks within an ancient river channel on Mars that could hold clues to long-vanished ...

NASA’s Perseverance rover found possible signs of ancient life in rocks on Mars, keeping scientists up at night.

Four researchers will spend more than a year in a 3D-printed habitat, acting as though they're eating, sleeping and living on ...

Scientists believe intriguing leopard spots on a rock sampled by the Perseverance rover on Mars may have potentially been ...

Let's qualify this discovery: The evidence is contained in a rock that's around 140 million miles away and has only been ...

Alex Dalenberg is a reporter for the Arizona Daily Wildcat, the leading news source for the University of Arizona. This article was brought to CNN.com by UWIRE, the leading provider of ...

Spots on rocks on Mars offer the “clearest evidence” yet that ancient life once thrived on the Red Planet, Nasa has said.

NASA's Mars rover Perseverance has uncovered rocks in a dry river channel that may hold potential signs of ancient ...

The collaboration empowers farmers to adopt regenerative agriculture practices across their crop rotations, which can help to enhance soil health and long-term sustainability. • PepsiCo will ...