Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Rediscovered Otodus megalodon fossil helps scientists confirm the biggest known shark vertebrae and improve estimates of the ...

John Sugar survives a brush with death, confronts the EZ4 gang, and faces a major twist in Sugar season 2, episode 3. Read our full recap.

Massive galaxies? Dusty black holes? Black hole stars? Scientists have raised a lot of theories around what the crimson blobs ...

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 ...

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

The steep decline in murders across the country is mainly occurring in blue cities—and began well before he returned to the ...

Supergirl' director Craig Gillespie and screenwriter Ana Nogueira on making the movie, choosing songs, and culture-war ...

After promising fans that Supergirl would deliver a faithful adaptation of Supergirl: Woman of Tomorrow, DC Studios might ...

Major decisions impacting asylum seekers and humanitarian protections for Haitians and Syrians could have far-reaching ...