Dr. Dave Ebert joined Animal Planet’s Forrest Galante in some of the most shark infested waters in the Southern Hemisphere to track down lost species on EXTINCT OR ALIVE: LAND OF THE LOST SHARKS. He let's us in on his experience.

A wrecked ship southeast of nearby island Mauritius is spilling oil into the Indian Ocean. Known for its pristine beaches and coral reefs, Mauritius has declared a “state of environmental emergency.”

Despite sharks sitting at the top of their food chain as an apex predator, they are an endangered species as a result of human activities.

Shark scientist Dr. Neil Hammerschlag debunks news of Great White dying from choking on a sea turtle.

One research foundation is working to change public perception of sharks by taking people swimming with them – without a cage.

A new Pocket Shark has been discovered and it's insanely cute! Here's what you need to know...

Scientists trace back shark cannibalism to 300 million years ago with evidence found in Canada.

Megalodon, the biggest shark to have ever lived has a cousin Megalolamna. It is, however, unclear whether this creature even existed.

With the shortage in sharks, other fish and squid are growing larger in size from feasting on energy-rich items.

A small shark leaps onto a surfer's board in Bondi Beach, Australia and soon swims away.

Fun fact on great whites who never get airborne.

A sevengill shark flings itself out of the water and onto rocks to avoid becoming an orca's meal.

Mike Tyson will go head to head with a shark as a way to overcome his fear of returning to the ring at 54 years old.

Go swimming with the sharks. From the pages of The Explorers Journal, learn how photographer Amos Nachoum finds zen to capture the ultimate apex predator on camera.