A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

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

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

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