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 ...

For decades, scientists have searched the skies for signs of extraterrestrial technology. A study from EPFL asks a sharp question: if alien signals have already reached Earth without us noticing, what ...

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

Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.

You don't need a rocket ship to visit another world. Right here on planet Earth, there are bizarre landscapes that defy ...