Ocean

Dugongs, or sea cows, which are thought to have inspired tales of mythical mermaids, haven't been seen in Chinese waters since 2000.

Scientists found a huge field of hydrothermal vents on the East Pacific Rise.

A new video released by the Monterey Bay Aquarium Research Institute (MBARI) shows off 2012 footage of an unnamed species of spaghetti worm.

Cameras on drones recently captured aerial images of nomad jellyfish as they swarmed by the thousands in coastal waters near Israel.

Researchers captured a rare flower-like sea pen on video in the deep sea and believe it could be a new species.

Scientists recently discovered rare brine pools — dense, salty depressions — at the bottom of the Red Sea, where microbes thrive under extreme conditions.

The mesmerizing footage was captured more than 4,500 feet below the sea surface.

The gelatinous fish also has a strange suction cup on its belly.

New analysis of fossil skulls from sperm whales that lived millions of years ago shows that numerous species of ancient sharks preyed on the whales … and ate their faces.

More than 70% of our little blue planet is covered by water, but we can only drink a tiny fraction of it. Why can't we drink saltwater when it is all around us?

A photo of colorful bat stars covering and eating the corpse of a California sea lion recently won first prize in a prestigious wildlife photography competition.

For millions of years, megalodon was the top predator in marine ecosystems. Then great whites came along and ruined everything.

Researchers have discovered that 4,500-year-old seagrass meadows in Shark Bay, Western Australia, are actually the world's largest clone.

Ghostly imprints of very tiny "nannofossils" can offer a valuable window into our planet's past — and hint at its possible future.

Residents of Kommetjie, South Africa were treated to a rare sight this weekend: a giant squid measuring 11.5 feet (3.5 meters) long.

A stranded sperm whale was still alive when it was found washed ashore near Ningbo, China. A team of rescuers worked around the clock to tow the animal back to sea.

An 18-year-old surfer rode a record-breaking 101-foot-wave on the day this image was taken.

A new study into a cold patch of the Arctic, known as the "Blue Blob," has shown that it is slowing the rate Iceland's glaciers are melting, but only for a few more decades.

Scientists have confirmed that a 58-foot rogue wave detected by a monitoring buoy off the coast of Canada in 2020 is the 'most extreme' ever recorded.

The ocean floor is filled with undiscovered evolutionary lineages that help to regulate Earth's climate, a new global study of DNA in deep-ocean sediments finds.