Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

Findings from a mysterious remote chain of islands off the coast of California are rattling bones in the science community.

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 ...

Rediscovered Otodus megalodon fossil helps scientists confirm the biggest known shark vertebrae and improve estimates of the ...

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

For decades, humanity has searched the universe for signs of alien life — but some scientists warn that finding it may come ...

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

The investigation into Nancy Guthrie's disappearance has taken another turn, with federal investigators now reportedly ...