Aliens
Alien news including the latest UFO sightings, conspiracy theories and Area 51.
A top scientist explains his theory
This underwater rock formation has been baffling scientists for years.
This stretches the idea of what's possible.
One of the universe's bigger mysteries seemingly explained.
It's certainly a hard one to explain.
Stephen Hawking was reportedly a fan of the 'dark forest' alien theory.
The Pentagon has studied sightings of unidentified phenomena going far back and a new report addresses some theories.
NASA has finally explained what these strange holes in the sky actually are.
Area 51 is often the center of wild conspiracy theories, but what is it actually used for?
NASA astronaut Leland Melvin had an unusual experience on one of his space missions.
A U.S. state is ambitiously expanding its tourism demographics by sending a visitor brochure to extra terrestrials in outer space.
It looks pretty terrifying, but there's a scientific reason behind the phenomenon.
It looks like a jellyfish soaring through the air - what could this strange object be?