A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

Roger Ebert reviewed numerous "Star Trek" movies before his death in 2013. And it was clear he was never much of a Trekkie.

Usually, comets are dormant blocks of rock and ice. They only wake up when they get close to a star. The intense heat causes ...

A cluster of unidentified glowing objects was seen near Ohio's Wright-Patterson Air Force Base, reigniting UFO conspiracy ...

A 1917 time travel photo unearthed in a Canadian history book shows a group of people on a hillside — but one mysterious ...

Some observers have questioned whether the general public is ready for the reality of what may be moving through our skies ...

Animation is a medium, not a genre, and our list of the best animated films of all time shows the limitless potential of this ...

The subject of UFOs and aliens is vast and complex, making it impossible to summarize in one article. Flying saucers/UFOs made headline news throughout the world in 1947, sparked by two major, highly ...

Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

Trump, accustomed to playing the bully to forge deals, is perhaps discovering that his tactics make little sense against a ...

Meteor fireball sightings surge across the UK, fuelling UFO speculation and viral debate as experts explain the bright green ...

Carl is decent but a little dull. Jed behaves badly, and arguably gets more pleasure out of life. The voice of the story ...