If and when SETI discovers alien life, a revised Declaration of Principles guarantees once the discovery has been verified, its disclosure will come soon after.

Creator Noah Hawley, star Babou Ceesay and more of the 'Alien: Earth' creative team break down Season 1's standout episode, 'In Space, No One...'

For over six decades, the Search for Extraterrestrial Intelligence (SETI) has been tirelessly scanning the cosmos for signs of alien life. Despite its extensive efforts, the universe remains eerily silent, leading many scientists to wonder why we haven’t ...

We got tactical and stayed frosty for our preview of Aliens: Fireteam Elite 2, guided by game director Chris Cross.

To travel between solar systems, a spacecraft would need extremely sophisticated – if not impossible – technology.

Elon Musk has turned a long-running joke about being an extraterrestrial into a central part of his public persona, even as he argues that humanity may be the only intelligent life in the universe. His latest comments at the World Economic Forum in Davos ...

How Radio Astronomy Helps Us See the Invisible Cosmos," astrophysicist Emma Chapman describes the hidden corners of space that only radio waves can reveal — and makes the case for contacting aliens.