The sightings were concentrated around the Los Alamos and Sandia atomic-weapons laboratories, and other highly sensitive military installations.

It's claimed to be the oldest solid cheese ever found—and it contains bacteria that would have made ancient Egyptians sick.

Egyptologists once thought a body dating from 3700-3500 B.C. had been naturally mummified, but analysis shows it has traces of an embalming recipe used on mummies thousands of years later.

Sonar spotted the lost stern of the USS Abner Read, which was cleaved in two by an explosion during the Battle of the Aleutian Islands.

Batwoman's arrival in 1956 wasn't just about spicing up Batman and Robin’s routine.

A Hawaiian princess helped revive the ancient sport of surfing long before Gidget and Moondoggie hit the beach.

Louisa Adams did not step foot on American soil before her 26th birthday—the same age as the second foreign-born first lady, Melania Trump, when she came to the United States nearly 200 years later.

The raucous crowd gathered at Akron, Ohio's then brand new Derby Downs, which was built specifically for the event.

They were cigar-shaped, glowed red and could turn on a dime. Which ruled out even the most sophisticated rockets of the time.

For two days New Yorkers slept on sidewalks, walked home, even showered on the streets and generally made do as the city was crippled without power.