Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

Airport radar systems used daily at major hubs including London Heathrow and New York's JFK could be unintentionally ...

Disclosure Day has plenty of UFOs and extraterrestrial species but very little of the human insights found in the filmmaker’s ...

Not Alone 's first teaser trailer highlights the budding romance between the two, complete with flirting, blushing, and the ...

Disclosure Day had people talking for its fresh take on alien contact and powerful sci-fi themes. These films follow the same ...

Space science has a long tradition of bold claims followed by even bolder scrutiny. Some of the most headline-grabbing ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

First, there was the release of the so-called UFO files by the Trump administration in May, which sparked a wide range of reactions from religious Americans. Then there was a new blockbuster summer ...

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

The interstellar comet emitted methane, a potential biosignature, as it passed the sun, physicist Avi Loeb says.