21-year-old Alexander Barter placed a post on the dark web for someone to let him perform unspeakable crimes on them. But the person who answered was an undercover agent.

Australia's Aborigines have a long and rich history that stretches back nearly 60,000 years.

"These babies are from a really important point in the evolutionary tree. They had a lot of features similar to modern mammals, features that are relevant in understanding mammalian evolution."

"We were a gang of friends doing a job together. We very often thought that this was a one-way trip."

With bobbed hair and short skirts, the hard-drinking flappers of the 1920s definied the Jazz Age — and changed American culture forever.

The "Purple Earth" hypothesis suggests that retinal, a purple-pigmented molecule, once dominated plant life before chlorophyll— making for some not-so-green foliage.

The shrine, known as a lararium, is surrounded by well-preserved paintings and murals depicting animals, deities, and more.

The man was found living in a multi-million dollar castle surrounding by a vintage Rolls Royce, jewelry, and three Salvador Dali paintings.

When first discovered, the Armillaria gallica mushroom was thought to be about 110 tons, but new research estimates that it actually weighs roughly four times that much— and is a millennium older.

Nicknamed the "Black Cyclone," Marshall Taylor defied all the odds when he won the title of World Cycling Champion in 1899.

Seen side-by-side with the real people who inspired their roles, it's clear which biopic stars were perfectly cast — and which were total duds.