Could alien signals have already reached Earth undetected? - If advanced alien civilisations exist and have contacted Earth, ...

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 ...

While idea may violate Occam’s razor, “it remains a speculative but logically open alternative,” says biologist Robert Endres ...

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

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 ...