Scientists discovered the 1-foot-long animal while aboard a submersible several miles deep in the Pacific Ocean. Take a look.

The world's largest invertebrate remained hidden from humanity until a tantalising glimpse 100 years ago. But it would be ...

Read on to learn more about these fascinating animals. 1. What is a narwhal tusk ... Narwhals can dive about a mile deep in the ocean. Cracks in the sea ice above allow them to pop up for air when ...

Ferry-goers and passers-by on the coast of Australia were in for a special surprise when a gray ocean creature made its way close to shore. A fin popped out of the water followed by a head and blow of ...

as its circulation takes heat from near the surface and transfers it into the deep ocean. A warming ocean affects the global ocean and atmospheric circulation, the cryosphere, global and regional sea ...