"NASA is uncertain as to when … human-rating certification for the Starliner will be obtained." When you purchase through ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

WASHINGTON (AP) — A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a team of outside scientists to study the national security ...

Scientists are raising concerns that we may be overlooking evidence of extraterrestrial life even when it is present. Hidden ...

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

As Steven Spielberg releases a new film on extraterrestrials, here's a brief history of modern alien conspiracies and why scientists are now taking UFO reports seriously. Amid all the unanswered ...

The Pentagon has released another batch of ‘UFO Files’ with footage of unknown objects in the sky—here are the most common alien theories, explained. This voice experience is generated by AI. Learn ...

The US Government has released a new trove of documents on cases of "unidentified anomalous phenomena" (UAPs)—many of which would have been described in the past as unidentified flying objects or UFOs ...

When Syfy began adapting Daniel Abraham and Ty Franck’s space-opera novels The Expanse for television, the authors (who write together under the name James S.A. Corey) were closely involved in the ...

The Artemis II crew was greeted by an inflatable green alien waving from a Navy ship window upon returning to Earth The playful moment was orchestrated by Navy crew members to add humor to the ...

Rep. Tim Burchett, a US congressman, claims aliens have made contact with humans. Credit: kingofthebigmacs / Flickr / CC BY-NC-SA 2.0 A Tennessee congressman has claimed that aliens have visited Earth ...