Presidential commentary on UFOs didn’t begin in the age of podcasts and social media. For more than 200 years, the question of extraterrestrial life has brushed up against the Oval Office. Multiple ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

Recent remarks by US president Donald Trump about releasing government files on aliens and unidentified flying objects have ...

Explore the Pentagon's report on UFO sightings in space, featuring unexplained manoeuvres and expert analysis of unidentified aerial phenomena.

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

Disclosure may not reveal alien visitors, but it will reveal something equally important: how science, measurement and ...

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.