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 ...

Professor Avi Loeb gained prominence in 2017 after the discovery of ‘Oumuamua, the first known interstellar object to pass ...

Why do we tend to assume that UFOs are crafts carrying alien beings rather than alien beings themselves? How the UFO ...

A space-based bioprinter manufactured multiple living tissues in one flight, pushing biomedical production beyond Earth.

The Australian Space Agency said they are literally space balls, but not of alien origin.

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

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

The launch and recovery of the Long March 10B could represent a long-awaited breakthrough for Chinese satellite companies.

Although he says there's no evidence of alien life, Isaacman believes we could discover it within our lifetime ...

NASA's relationship with UFOs has evolved alongside broader changes in public and government interest in unexplained ...