The United States is stepping back from the most direct test yet of possible alien biology on Mars just as new telescopes and ...

NASA’s latest images from Mars show a rock that looks less like a random boulder and more like something deliberately carved, a sculpted shard standing alone on the dusty plain. The discovery has ...

A reddish rock nicknamed "Cheyava Falls", with features resembling leopard spots was discovered by NASA The discovery in Jezero Crater represents one of the best pieces of evidence to date about the ...