OCEANS

Sharks aren't the mindless manhunters movies make them out to be.

They don't reach maturity until they're 25.

The pay is great, so long as you don't mind the sharks, dead bodies, and occasional risk of being sucked into a vacuum.

This predator can swim thousands of miles upriver, hunt baby hippos, and take over the occasional golf course.

The 'Titanic' is one of the most famous shipwrecks on the seafloor. Its discovery was part of an unrelated Navy investigation.

Project Recover tracked down aircraft in a bay near Papua New Guinea.

When it sank on June 8, 1708, it was carrying gold, silver, jewels, and other precious cargo.

Researchers thought the foot-long sea cockroach was "cute."

With the ability to control and even kill their hosts, each one of these parasites could star as the next terror of the silver screen.

There's a lot we don't know about how whales hear.

There are plenty of species named after Attenborough, but this is the first one to share its name with one of his documentaries.

Dolphin calves are born tail first, rather than head first, so that they don't drown during the birthing process. Read on for 14 other facts about these fascinating creatures.