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

The film also includes one of the two record-setting astronauts, U.S. Navy combat veteran Brian Binnie, sharing an unusual, ...

The main focus of the trip is to study the effects of long-term spaceflight on the body, but the test is also a side mission.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...

For the test, the rover hunted for organic molecules in rock samples from the Murchison meteorite.

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

The marketing for Disclosure Day has been unusually cagey, and if you haven’t had the chance to catch Steven Spielberg’s new alien movie yet, we won’t spoil it here. As the name implies, though, ...

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

After the famed Betty and Barney Hill encounter in 1961, alleged alien abductions were everywhere—and most of the tales followed the same patterns.

When the Trump administration registered the domains Aliens.gov and Alien.gov in March, UFO conspiracy theorists wondered whether they might finally get answers they’d long awaited. But coming on the ...

The White House is mocking the idea of the U.S. retaining secrets involving alien encounters by launching a space-themed website that touts the arrests of immigrants unauthorized to live in the U.S.