River Monsters' Jeremy Wade on the weirdest river fish he's hauled in over the years, including giant piranhas and a fish that changes sex.

Stanford researchers have just pushed knowledge on the relationship between humans and robots one step further. Is robot sex in our future?

See the Panama Papers list of which rich, powerful, and famous people are hiding their vast fortunes in tax havens, and how they're doing it.

See the shocking stats.

And learn where you can buy their fascinating products.

If it's all 18 of them, you may want to seek psychiatric help (and stay out of the zoo).

Once upon a time, people actually paid money for these.

No one has ever seen an explosion this powerful before.

The idea of marrying a dead person is older than the Magna Carta — and it's called ghost marriage.

The monster's terrifying mouth has been linked to that of one of today's most grotesque creatures.

This one startling photo captures the horrifying extent of the buffalo slaughter carried out by early settlers of the American West.