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 question: if alien signals have already reached Earth without us noticing, what ...

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

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.

In an interview, former president Barack Obama stirred the pot with some statements about extraterrestrials. Here's what he said.