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 new book details the turn-of-the-century Mars craze It’s not aliens. It’s never aliens. Claims of extraterrestrial life are so common that experts now have this cheeky retort at the ready. In The ...

NASA's MAVEN spacecraft went dark earlier this month while it was observing 3I/ATLAS, which some thought was an alien spacecraft before it turned out to be a comet ...