A rare sighting of Dugong, gentle giants of the seagrass ecosystem, pins hopes of population recovery in the Andaman Islands.

The marine photographer who captured the footage said it could be the world's first recorded sighting of a black seadevil ...

Near a campsite in southeastern Africa, a “golden”-eyed creature sat in the sand and called out with “high-pitched notes.” ...

Largely undiscovered, the ocean hosts bizarre creatures, highlighting our limited understanding of the planet's mysterious ...

We are terrestrial creatures, and some reefs are located ... More information: Jean‐Pascal Quod et al, Spread of a sea urchin disease to the Indian Ocean causes widespread mortalities—Evidence ...

A scuticociliate parasite is causing mass die-offs of sea urchins across the Caribbean, Red Sea and Indian Ocean, leading to algal overgrowth on coral reefs. Scientists warn this could trigger ...

Scientists on a submersible in the Pacific Ocean found a 1-foot-long sea creature with 24 “feet” and discovered a new species, a study said. Getty Images/iStockphoto Several miles below the ...