The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Within their planetary systems, stars are continuously shaping their orbiting planets through gravity, radiation and magnetic forces. So far, this relationship has appeared to be a one-way street.

For centuries, humans have been wondering whether anyone lived on Venus. In the 1960s, telescopes delivered bad news: Modern-day Venus is thoroughly hostile to life, shrouded in thick acidic clouds ...

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?

New research suggests that alien radio signals may be transformed by plasma from their home stars — and scientists on Earth ...

Given the unique importance of a potential UFO visit, confirmation requires a high standard of evidence. Here are simple tips ...

Using the Keck Observatory, astronomers measured the spins of dozens of giant planets and brown dwarfs orbiting distant stars. They found that giant planets can spin faster than much more massive ...

Half a century after "Close Encounters of the Third Kind," the director returns to the subject of UFOs with "Disclosure Day." His science fiction films are informed by his fascination with alien encou ...

The moment of first contact with extraterrestrials is a staple of science fiction. It usually involves a frantic scientist having a Eureka moment, realising in a single dramatic instant that Earth is ...

The SETI Institute is the latest to confirm what scientists have long suspected: the interstellar 3I/ATLAS comet is not an alien spaceship.

Using the W.M. Keck Observatory, astronomers investigated the long-predicted relationship between mass and spin for giant planets and brown dwarfs. Credit: NASA/JPL-Caltech A new Keck Observatory ...

This is read by an automated voice. Please report any issues or inconsistencies here. Dropping a tribute to Ridley Scott’s 1979 “Alien” halfway through his franchise-expanding series wasn’t easy. But ...