The blue whale is the largest animal known to have ever lived, reaching lengths of nearly 100 feet and weighing more than 300 ...

Mosasaurs were the apex predators of the oceans during the reign of the dinosaurs, but new research reveals dinosaurs weren't ...

A recent video shows a massive bluntnose sixgill shark emerging from the deep sea. This ancient species, predating dinosaurs, ...

WELLINGTON, New Zealand — In the age of dinosaurs — before whales, great whites or the bus-sized megalodon — a monstrous shark prowled the waters off what's now northern Australia, among the sea ...

Isn't that the Loch Ness monster? -- The marine reptiles -- The ichthyosaurs -- The plesiosaurs -- The pliosaurs -- The Mosasaurs -- The "reason" for extinction ...