Over time, Crocodylus porosus achieved one of the widest ranges among reptiles. Before extinction in Seychelles, the species ...

The Atlantic giant cockle is one of the largest mollusks in the ocean. Read here to learn about them and their large tongue.

The large and ungainly moose is surprisingly good at swimming and diving. We explore why they would do this and what makes ...

An upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops ...

Photographers capture mutant crayfish, cleaning fish, and synchronized whales in this year's top underwater contests.

It’s not seaweed. They’ve been called the “lungs of the sea.” And while certain marine microbes could also compete for that ...

Coral reefs may look similar at first glance, but their shapes, locations and structures reveal how they form – and how vulnerable they are.

The colossal squid is the largest squid in terms of mass, weighing in at 495kg. The squid’s tentacles are only released when ...