An eerie sighting over Washington DC has sparked claims that alien craft are hiding in America's skies.

Alien: Isolation 2’s developers reveal how its smarter Xenomorph uses weather and new hunting behaviors to make escaping even ...

UFOs could be using our oceans to remain hidden from humanity, a retired US admiral has suggested, as a huge underwater ...

Pulverised technology from collapsed alien civilisations may lie scattered across the solar system, including on the Moon, a new study suggests. The likelihood of advanced aliens living at the same ...

Astronomers may have been listening for alien civilizations in only a small slice of the radio spectrum while overlooking a largely unexplored range of higher frequencies. Using archived data from the ...