Despite advances in modern technology, these mysterious ancient artifacts continue to baffle and intrigue experts.

Among the discoveries: a spent shell casing from Jack Ruby’s revolver, original letters sent between WFAA and Dallas police officials in the mid-1960s.

Archaeologists filming "Sandi Toksvig's Hidden Wonders" uncovered a 2,000-year-old murder mystery in Dorset, finding a ...

Carved on a disk about the size of a dinner plate was writing in an unknown language. The debate has raged for a century: Is ...

Hunter-gatherers at Poverty Point may have built its massive earthworks not under the command of chiefs, but as part of a ...

About 3,500 years ago, hunter-gatherer communities began shaping enormous earthen mounds along the Mississippi River at Poverty Point, a UNESCO World ...

A Swedish plano-convex ingot once thought to be from the Bronze Age was revealed through chemical and isotopic testing to ...

The San José was returning to Europe laden with extraordinary wealth meant to fund Spain's war efforts when British warships intercepted it near the fortified port city of Cartagena, Colombia. The ...

A tourist looking for shark’s teeth on a North Carolina beach stumbled onto something when this sliver of steel appeared in ...

It looks like something unnatural was in the sky in the months and years before Sputnik, according to one researcher.

When researchers carefully lifted the lid, they uncovered a complete skeleton surrounded by dozens of artifacts.