Researchers propose service worlds as a focus instead of alien megastructures.

Ancient Astronaut Theorists claim that extraterrestrials influenced the outcome of the Civil War and made believers out of ...

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

With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

As it turns 30, Hasitha Fernando looks at the story behind the 1996 blockbuster Independence Day… One of the most ...

Last fall, President Donald Trump launched plans to “modernize” the White House by tearing down the East Wing and expanding ...

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

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 ...

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