Beach safety officials warn that dangerous marine life - specifically early-arriving jellyfish - are creating painful problems for swimmers along the Gulf Coast this June.

Genetic analysis reveals bluebottles are actually four distinct species, overturning two centuries of scientific belief.

The City of South Portland is warning beachgoers after a giant jellyfish was spotted at Willard Beach over the weekend.

The latest addition is the Marine Organizational Body Size (MOBS) database, an open-access resource that—as its name ...

A recent study uncovers three sea spider species that depend on methane-eating microbes for food, offering insight into ...

Two new jellyfish take up residence at the Virginia Aquarium, bringing more understanding and education about these slimy sea ...

Art often imitates life, and sometimes animals do, too. The enormous jellyfish seen in this YouTube video bears a striking ...

The well-known Portuguese man o’ war — Physalia physalis — may look like a jellyfish, but it’s actually a siphonophore, or a colony of animals that live together to create the complete structure, ...

Scientists say they have discovered three previously unknown, unnamed species of sea spider off the U.S. West Coast that ...

Congratulations are pouring in for legendary NASCAR driver Dale Earnhardt Jr. and his longtime wife, Amy Earnhardt. It's been ...

As endangered sea turtles return to local waters, a carcass on Martha's Vineyard shore serves as a reminder for boaters to keep watch, advocates say.

Off the east coast of China, researchers discovered an unusual spiky creature feeding on a jellyfish-like species called a ...