Excavations at the famed cathedral have uncovered remnants from the medieval ages to the Roman era.

In February 1959, a group of hikers died in the mountains. The events sparked theories both scientific and conspiratorial.

The material could withstand nuclear blasts, but hairdresser and amateur chemist Maurice Ward adamantly kept his formula close to the vest.

The German town of Echene was mentioned in medieval records, but then vanished from history.

You can learn it—and “make life enchanted through the power of your mind.”

Humans evolved to use these peak mind states to do just about anything—with a little practice.

The toxic legacy of wartime dumping could take centuries to clean up.

Encephalitis lethargica killed five hundred thousand people, and scientists still can’t agree on what it was.

A staggering amount of brain activity takes place in this arena, where “countless signals come together to form a unified experience of reality.”

As it turns out, beneficial mutations are far more common than a 50-year-old theory predicted, but the world changes too fast for them to stick.

The glass harmonica’s bad reputation was entirely undeserved, though.

• The orb is a remnant of a secreted cuticle that allows a sea anemone to attach itself to a rock.

A combination of vicious weather and human error ended up tragically sealing her fate.

It took 139 years to understand what caused the mysterious “Angel’s Glow” at the Battle of Shiloh.

Can we fix it back?

It might have been used in some kind of ritual.

The Royal Monastery of St. Mary of Pedralbes in Spain contains surprising evidence of violence.

Stimulating the system may even prevent Alzheimer’s and dementia.

The 1917 disaster was, at that point, the biggest explosion in history.

Boston’s Great Molasses Flood of 1919 sounds like fiction, but it was all too real.