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 ...

Raymond Davis Jr. is dwarfed by the giant tank used by the Homestake detector in South Dakota, which first detected solar ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

For decades, the question of whether life exists beyond Earth has been the domain of science fiction writers and late-night ...

Fundamental mathematical rationale from Newtonian physics, quantum mechanics, relativity, and, more specifically, the Wheeler ...

Grain-sized remnants of alien technology may get caught in solar wind and land on plants and moons close to us ...

The Alien franchise has become synonymous with the deadly Xenomorph, with the predatory alien race becoming utterly iconic in ...

Steven Spielberg is in his aliens exist era — but in truth, he’s been there since at least 1977. That’s when the director ...

Fresh conspiracy theories involving the CIA, extraterrestrials and consumer DNA databases are gaining attention after claims surfaced alleging that US intelligence agencies may have secretly accessed ...

Scientists are listening in on sperm whale conversations and studying Earth's strangest microbes to prepare humanity for first contact with extraterrestrial life.