Jordan Flowers claims Russia and China may be reverse-engineering alien technology, raising national security concerns.

This video ranks extreme stellar objects by how likely they are to host life or support advanced alien civilizations.

Lionfish, mitten crabs and “sea vomit.” Meet eight marine species who inadvertently moved to new territory and took the ...

Since last Wednesday, the world has seen an increase in seismic activity — seven in five days. First, there were the powerful ...

The Daleks may be Doctor Who‘s most iconic villains, but they’re also something of a continuity minefield. In part, that’s ...

The renowned Egyptologist and former Egyptian Minister of Antiquities, Zahi Hawass, responds to periodically raised ...

THE last-ditch search for the missing Malaysia Airlines jet will be extended for another year, more than a decade after it ...

More than 120 new Florida laws kick in on Wednesday, July 1. Some are minor changes, but some you need to know now.

In 1988, the Soviet Union launched two of its most ambitious spacecraft ever built not toward Mars itself, but toward one of ...

The Pentagon released over a hundred newly declassified files related to UFOs (now officially referred to as Unidentified ...

On May 13, 1789, California’s Spanish Governor Pedro Fages, sent a letter marked “Confidential” to Comandante Jose Arguello ...

Stacker compiled a collection of 70 images that show how the '70s changed the world. See photos of the decade's defining ...