What would aliens actually look like? While simple life forms like bacteria may be common in the universe, complex ...

Scientists explore the Fermi paradox, suggesting that alien civilisations may self-destruct before becoming detectable, ...

The Fermi paradox asks why we haven’t found aliens yet. Scientists say the answer may lie in timing, technology, and the vast ...

For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial ...

A North Wales vicar has argued that biblical prophet Ezekiel may have witnessed advanced alien technology, urging Christians ...

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

If humans vanished, evolution might not crown another primate. One unlikely marine predator has the brain, dexterity, and ...

Harvard astrophysicist Avi Loeb will head the UAP Science Advisory Council established by the White House, the Pentagon, the ...

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

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

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

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