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

This article was originally published Oct. 21, 2021. It has been updated for spelling as well as the addition of this 1990 On The Record interview: LAS VEGAS (KLAS) – The atomic age officially began ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

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

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

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 ...

The mystery of a South Carolina personal trainer who was found dead after disappearing has deepened after a preliminary autopsy found no conclusive cause of death. Elena Moore’s autopsy “did not ...

“You will, no doubt, be familiar with the 1995 footage of a supposed alien autopsy,” said Sarah Dempster in The Guardian, in which, over the course of 18 minutes, figures in hazmat suits dissect the ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper. Reading time 3 minutes In our search for life beyond Earth, we might ...

As 'Disclosure Day' hits theaters, The Hollywood Reporter takes a look at the film director's entire oeuvre, featuring aliens (lots of them!), Indiana Jones (lots of him!) and wars (lots of — well, ...