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

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.

Given the unique importance of a potential UFO visit, confirmation requires a high standard of evidence. Here are simple tips ...

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 ...