A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

Is the rest of the cosmos a pristine environment awaiting the arrival of humanity’s “post-human” descendants? Or is advanced ...

There is something almost offensive about a sky so full of stars and so empty of company. That is what gives Richard ...

This slideshow covers the top 25 best American time travel films based on data that Stacker compiled from IMDb and Metacritic ...

Do you remember when they said that in space, no one could hear you scream? The tagline for the cult classic Alien movie has, in a way, become a tagline for the whole subgenre of science-fiction, at ...

Even at this early stage in our spacefaring age, humanity has already begun sending probes that will eventually reach other ...

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