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

Nasa has drawn fresh attention to a nearby exoplanet, dubbed the super-Earth GJ 3378b, after astronomers confirmed it sits in ...

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

The Murchison meteorite fell in Australia in 1969, breaking into numerous fragments. It belongs to the carbonaceous chondrite ...

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 ...

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 ...

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 ...

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 ...

Late in Steven Spielberg’s new film, Disclosure Day, a former nun-to-be calls the abbess of the convent she left behind. The world is about to learn that aliens have been living on Earth for decades.

LOS ANGELES (AP) — What was once considered fringe or conspiratorial has in recent months popped up everywhere from the White House to the Catholic Church, as public fascination with unidentified ...