For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

SIGNS of an alien planet that’s about the same size as Earth have been picked by up a Nasa telescope. Scientists say it might ...

Could alien signals have already reached Earth undetected? - If advanced alien civilisations exist and have contacted Earth, they are more likely rare, scientists say ...

The odds are that life is out there – but rather than little green men, it may look more like hydrothermal vent tubeworms ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...