Maymo the Dog gets drawn into a wild game of laser pointer with an alien and can't resist playing along.

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

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

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

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

A heat wave can make outdoor plans dangerous or at least uncomfortable, but that doesn't mean you can't have fun. 10 cool ...

As Elon Musk basked in the public spectacle of SpaceX’s blockbuster IPO, another – altogether more restrained – rocket ...

Deep within Uranus and Neptune, immense pressure and heat are transforming carbon into diamonds that rain down through the ...

What happens if scientists find evidence of extraterrestrial intelligence? That question was at the center of a recent SETI Live discussion about newly updated post-detection protocols and how ...