Scientists have long known that ancient Homo sapiens and Neanderthals lived alongside each other for thousands of years—until ...

Explaining the passage of time has been a gnarly problem in physics basically forever, but physicist and computer scientist ...

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

Flight 298 delivers a compact yet ambitious supernatural sci-fi horror experience under Steven Quale’s direction. With a ...

The coating could be applied on future spacecraft designed to block light from distant stars hosting exoplanets.

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

In 1977, Brazil witnessed mysterious UFO encounters known as 'Chupa-Chupa', involving unexplained injuries and a military ...

Looking up reveals nature’s skylight, framing Arizona blue against fiery red stone in perfect composition. Photo credit: ...

Stacker compiled a ranking of cities with the most UFO sightings in South Dakota using data from the National UFO Reporting Center.