Scientists may have found the strongest hint yet that life could exist beyond Earth, and the focus is not Mars but a distant ...

Scientists are calling for a lunar quarantine facility where samples from Mars, the Moon, and beyond would be examined before being brought to Earth. They warn that even a tiny alien microorganism ...

The big-idea explorers at Aperture dive into the Fermi Paradox to investigate why we haven't found any evidence of alien life in our vast universe.

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

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

First, there was the release of the so-called UFO files by the Trump administration in May, which sparked a wide range of reactions from religious Americans. Then there was a new blockbuster summer ...

A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

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

Steven Spielberg's new blockbuster coincides with real-world disclosures about the government's investigation of unidentified phenomena. But there's no proof of aliens yet.

LOS ANGELES — In “Disclosure Day,” in theaters now, Steven Spielberg is once again inviting audiences to ponder the existence of extraterrestrial life — and the implications it would have for religion ...