DC unveils Brainiac's redesign in its new universe, pitting the Coluan supervillain against Superman and Supergirl ahead of ...

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

As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters ...

Scientists have found the oldest known evidence of the plague, which sparked deadly outbreaks dating back about 5,500 years ago — some 200 years ...

An interstellar comet that blazed past the sun and swung by Earth last year could be nearly three times older than our solar ...

Next summer, NASA’s Lucy spacecraft will start sidling up to several asteroids near Jupiter. On its way there, it has studied another space rock up close ...

A new White House memo aims to strengthen the cybersecurity of sensitive government systems by centralizing oversight of those systems, while also setting aggressive deadlines for updating incident ...

Alien conspiracy theory is getting respectable (with a little help from "Disclosure Day"), and it has helped bring America back to magical thinking.

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home planet.