Male and female whale sharks - filter-feeding marine behemoths - grow at different rates, with females doing so more slowly but getting much larger than the guys, according to research that offers ...

Croatian marine biologists are struggling to save the largest Mediterranean clam from extinction after a precipitious fall in numbers which they say was probably caused by a deadly pathogen.

Meet the “Sword Dragon”, a newly-named species of ichthyosaur – predatory prehistoric reptiles that dominated the oceans while dinosaurs ruled the land. The beautifully-preserved fossilised skeleton ...

Day 86 at sea brought the most incredible moment yet – we found the biggest fish in the ocean. In this video, we track, spot, and come face to face with a true giant beneath the waves. From the first ...