Are we alone in the Universe? With more than 100 billion galaxies in the observable universe and at least 500 billion planets ...

Hollywood makes initiating alien contact seem much easier than it has proven to be. In E.T. the Extraterrestrial, E.T. got ...

The experiments took place aboard the International Space Station in June. In addition to bioprinting kidney, liver, and ...

Thousands of people have reported UFOs or alien encounters in Northern California. That number could soon go up.

Get the latest federal technology news delivered to your inbox. You might think this column is about UFOs and the Pentagon's ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

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

Avi Loeb, a distinguished cosmologist who previously led Harvard’s astronomy department until 2020 and conducted extensive ...

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

While many believe that extraterrestrial life exists somewhere in the vast universe, others argue that the fact that 'aliens have never appeared on Earth' is the reason why highly intelligent ...

Professor Carol Oliver suggests that time dilation, a cosmic phenomenon, may deter aliens from visiting Earth, as ...

The United States government's recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) cases spanning the 1940s to the present, along with the new Steven Spielberg ...