The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

A new SETI study argues that turbulent space weather around distant stars can smear out ultra‑narrow alien radio signals, ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the White House to lead a ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

The Great Filter theory suggests advanced civilisations may self-destruct before contacting others, explaining the universe's ...

Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

Intense alien sci-fi, goofy luchador comedy, and one of Robin Williams' best performances are in store this final week of ...

Planet Earth could be giving out its own signals, which could in turn be detected by distant astronomers on an alien planet ...

Why are we allowing unidentified objects to operate with impunity in our skies?” one expert testified Tuesday.

Canada's telecommunications regulator is launching a review to determine if the Big Three providers have violated its new ...