In a century-old hospital, a team of “dream engineers” investigates the science of uneasy sleep.

Lichens growing on gravestones appear immune to aging. What does their life cycle teach us about death?

Could infrasound, electromagnetic blips, gas leaks, and mold explain why some places just give us the creeps?

In rural Norway, flying potatoes and other strange events troubled staff and customers for years. What happened when people shared their stories?

From bloodthirsty orchids to body-snatching pods, fictional flora are often symbols of societal fears.

There are some strange ideas about how to send a warning to our descendants 100,000 years from now.

And the sociologist and actors trying to exorcise the gender stereotyping demon.

We reflect on what these shiny surfaces reveal, from the curse of Narcissus to an experiment you can try at home—if you dare.

Scientists braved rain, mud, and a close encounter at a crocodile farm to learn what fossilized feces reveal about life 33 million years ago.

The sealed-off chamber is 4,300 years old.