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

A sample obtained by NASA's Perseverance rover of reddish rock formed billions of years ago from sediment on the bottom of a lake contains potential signs of ancient microbial life on Mars, according ...

“This finding by our incredible Perseverance rover is the closest we’ve actually come to discovering ancient life on Mars,” Nicky Fox, associate administrator of the Science Mission Directorate at NA...