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

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 ...

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

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 ...

Three companies will receive a total of $600 million to executive four moon landings, laying the groundwork for a planned ...

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

Artificial intelligence (AI) is continuing to have a disruptive impact on ever more parts of humanity. But what does it mean ...