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

Competitive swimmers know that swimming underwater causes less drag resistance than swimming at the surface. Splashing around ...

What are the top facts about the ocean? While much is known about the ocean, a large part of it remains unknown. Here are fun facts about it for people of all ages.

Sharks and rays have populated the world's oceans for around 450 million years, but more than a third of the species living ...