Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

You Don't Understand The Fermi Paradox ...

A controversial Harvard University cosmologist who has suggested alien lifeforms could be sailing into the solar system disguised as meteors is leading the Trump administration’ ...

The story of the US is, in many ways, remarkable. It achieved independence against the odds, its constitution has lasted more than two centuries and its democracy has weathered war, economic ...

Somewhere in the Mojave Desert, a gleaming white dome sits in the middle of nowhere, and the story behind it is stranger than ...

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

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

One of them has definitely been beamed up before.