Northrop Grumman revealed the B-21 Raider in a roll-out ceremony. Here's what we know about it—and what remains hidden.

The ACLU is suing on behalf of 77-year-old Ruby Johnson, claiming that a police officer mischaracterized the accuracy of the app's locator to obtain a search warrant.

Fossils of the water-loving velociraptor relative were found in the Gobi Desert.

The hand-drawn metal birds were potentially represented deities of the dead.

A new Pentagon report offers a look at how one arsenal is shifting.

Researchers are trying to understand what drives snow algal blooms and how they could alter water supplies.

Without this universal technology, our computers would probably be bulky vacuum-tube machines.

It’s a huge and surprising result—at least to the the Stratego community. 

'Ask any crew chief that worked on an F-15 or an F-16 or an A-10 … we don't get as dirty as we used to on the older aircraft.'

Psychologists say there are health benefits that come with rooting for sports teams, even if you're watching from the couch.