When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Some of these approaches may show promise, but new research indicates much of today’s AI is even more easily duped by false ...

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

A siphonophore—a colonial marine invertebrate related to the venomous stinging Portuguese Man-o-war—is scanned using Deep ...

A recently discovered "super Earth" located around 25 light-years from our planet is not as massive as previously thought, ...

Alligators live in bacteria-filled swamps and rarely get sick. The hidden chemistry inside their blood could help fight the superbugs that antibiotics can no longer kill.

Left to Right: Steven Yeun in "Nope," the alien in Steven Spielberg's "E.T." and Scarlett Johansson in "Under the Skin" (Universal Pictures / A24) It didn’t take long for stories about ...

Are humans alone in the universe? The answer is more complicated than science fiction might suggest. Scientists have discovered billions upon billions of potentially habitable planets. But if life is ...

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.

FIRST ON FOX: The White House has a new message on aliens: They are not coming from outer space — they are already here and ICE is tracking them. The Trump administration launched Aliens.gov on ...