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.

E.T. the Extra-Terrestrial was a global phenomenon that spawned many knockoffs, with films like Purple People Eater, Badi, ...

Early super robots focused on giant machines defeating monsters, but later mecha expanded those ideas into stories about ...

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

From Severance to Silo, the streaming service has built one of the genre's strongest libraries ...

A backup version of Skylab was displayed when the Smithsonian’s National Air and Space Museum opened 50 years ago. After renovation of the building, the artifact is once more on view in a new gallery ...

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

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

In the book version of “Project Hail Mary,” author Andy Weir, known for grounding his fiction in plausible science, describes ...

God and aliens are having a moment. But what do Christianity and other faiths really teach about ETs?

Uranus and Neptune remain two of the most mysterious objects in the solar system, primarily because they have been visited only by NASA's Voyager 2 spacecraft in 1986 and 1989, respectively. Their ...