The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new ...

You don’t see a UFO file drop coming. One day there’s nothing, and then – without a press conference, without a dramatic announcement, without anyone in a suit standing behind a podium – 162 ...

Astrophysicist Neil deGrasse Tyson, 67, explained how any alien visitor from another planet would likely look very different ...