The world’s oceans are divided into five sections – the Pacific Ocean, Atlantic Ocean, Indian Ocean, Antarctic Ocean, and the ...

Fin whales are the second-largest whale species on the planet and have a “distinctive coloration – black or dark brownish-gray on the back and sides and white on the underside,” according to the ...

Fossils of Tiktaalik roseae blended fins with hints of limbs and sported a flat head suited for peering above the waterline.

Knife-toothed reptiles called sebecids went extinct on the mainland 10 million years ago. New fossil evidence puts them on an island 4 million years ago.