For decades, astronomers have searched for signs of extraterrestrial intelligence using radio telescopes and optical instruments, scanning the skies for artificial signals. Now, researchers are taking ...

Aliens might be living among us, according to a study by Harvard academics. A new paper suggests extraterrestrials could also be living underground or in a base inside the Moon. The study by Harvard ...

Life on Earth can be found in the strangest of places, from tens of thousands of metres in the sea to a bubbling tar pit in Trinidad. But scientists have suggested that life – alien life – could be ...