A long-standing mystery connected to a Bible ransacked from the Gettysburg Lutheran Seminary during the last days of the1863 battle has finally been solved.

A fingerprint discovered on the wrecked remains of Denmark’s ancient Hjortspring boat have helped unravel the long-standing mystery behind the Scandinavian plank canoe’s origin. The wreck site of the ...

Here’s a pearl of wisdom. After 360 years, an art historian has allegedly solved one of art history’s most enduring mysteries — the identity of the subject in the “Girl With a Pearl Earring” painting.

The brand new true-crime documentary The Secrets We Bury premieres on Investigation Discovery Tuesday, Dec. 16 at 9/8c. The latest ID documentary revisits a decades old mystery involving a Long Island ...