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

There are all sorts of things flying around the universe that we earthlings haven't yet figured out how to identify.

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 ...

South Korea’s Defense Ministry said Friday night that the multiple unidentified aircraft flying over the sky was a successful test of its solid-fuel space rocket. The test flight is a follow-up to ...

UFOs in movies have been around since the sci-fi space epics began in old-school Hollywood, with a 1951 robot warning Earth about danger, and on to a 2022 predator that attacked beings on Earth. In ...