Jellyfish are common around Delaware beaches.What to do if you get stung. Hint: It's not what they did on "Friends." ...

The archipelago includes more than 1,000 islands, all of which offer unique underwater experiences. Tourists get to explore ...

A remarkable discovery in Patagonia has unveiled the nearly intact fossil of a pregnant sea reptile. In a groundbreaking ...

An ichthyosaur preserved beneath a Chilean glacier is helping scientists understand the extinct animals and the world around them as a supercontinent broke up.

As oil companies push for drilling on the Amazon coast, an underwater war silences the ocean’s most vocal creatures.

Active shark species like the mako and great white shark tend to swim closer to the surface because of their need for speed.