The newly arrived SpaceX crew that docked with the International Space Station Sunday morning was greeted by both human and foreign faces. Crew-9 commander Nick Hague donned a grey alien mask inside ...

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...