More than 300 baby seahorses have been unleashed into the waters off Australia in a last-hope attemp

Beachgoers should watch where they step in Texas.  Glaucus atlanticus, also known as blue sea dragon

TABUK — Red Sea Global, the developer behind the world's most ambitious regenerative tourism project

Editor’s Note: This CNN Travel series is, or was, sponsored by the country it highlights. CNN retain

TEL AVIV, May 24 (Reuters) - A deadly epidemic that is spreading through the Red Sea has killed off

A skipper who fended off a killer whale attack with a couple from Cambridgeshire inside insists it i

AYESHA RASCOE, HOST: It's been described as a ticking time bomb - a decaying oil tanker is moored of

Scientists have discovered that vital marine species are suffering serious losses due to heat waves

Dead fish in Florida. Beached whales in New Jersey. Sea urchins, starfish and crayfish washing ashor

More than 50 years after she was captured in the Pacific Ocean, the Miami Seaquarium's killer whale

Using a drone, a B.C. man captured photos of herrings spawning off Hornby Island. A B.C. photographe

The Sargassum bloom approaching Florida, seen from space. (Chuanmin Hu/University of South Florida C