Ocean

Israeli scientists pioneer way to monitor sea urchins as die-offs threaten coral reefs worldwide

Sea urchins play a vital role in maintaining the delicate balance of coral reef ecosystems by feeding on algae that compete with corals for sunlight.

 The sea urchin Diadema setosum before (left) and after (right) mortality. The white skeleton is exposed following tissue disintegration and loss of spines.
 Permanent group of the Russian Navy in the Mediterranean Sea, 2016

US Coast Guard responds to Russian military ship near waters off Oahu

Saildrone and Lockheed Martin team up

Lockheed Martin, Saildrone to advance armed USV capabilities for US Navy

Whale fossils in the Ocucaje desert, Peru.

Scientists found a 3.5-meter dolphin fossil in a desert that was once an ancient ocean


Israeli scientists link dinosaur-era ocean swirls, modern climate change

Hebrew University team evaluates role of gyral circulation on temperatures in tropics, poles during the Cretaceous period.

A swirling Eastern Pacific Ocean storm system headed for California is seen in an image from NOAA's GOES-West satellite taken at 0930 EST (1430 GMT) February 28, 2014. According

Sweden unearths one of the oldest cannons found in Europe

The item in question that was recovered is described by the university's website as a "small muzzle-loading cast copper-alloy cannon," and it's believed that its origins are tied to a shipwreck.

 Side view of a ship at the San Diego dock, October 2009

WATCH: Hungry sharks sink inflatable boat with 3 men aboard

The sharks caused damage to the ship's hull, leaving the three men in a dangerous situation.

 Inflatable vessel attacked by Sharks.

World's rarest mammal faces imminent extinction - only 10 remain

The vaquita, an extremely rare whale species found only in Mexico, is on the verge of extinction.


From the ocean's depths: Terrifying creature resembling human jaw and teeth

This fisherman frequently encounters rare marine creatures resembling cartoon characters or horror films.


Beloved orca dies ahead of planned release from captivity

In March, the Miami Seaquarium said it reached a "binding agreement" to return the whale to an ocean habitat within two years.

 Lolita the Killer Whale is seen between shows at the Miami Seaquarium in Miami January 21, 2015.

Baby walrus receives 'cuddle therapy' from lucky wildlife experts

The one-month-old calf was found four miles from the sea without his mother.

Walrus calf found alone and miles from the ocean on Alaska’s North Slope is getting bottle fed and receiving round-the-clock "cuddling" from animal welfare workers who are trying to keep the 1-month-old alive.

Here's why parents need to be careful of 'dry drowning'

"Dry drowning" or "secondary drowning" are terms that refer to rare complications that are more common in children.

 A small child is ready for some swimming fun by the water.

Scientists find oldest fossilized jellyfish - study

These fossils are considered to be especially valuable as it is rare for jellyfish to fossilize because they are made up of 95% water.

Jellyfish 370

What did divers discover in Belize's Great Blue Hole?

Divers found debris and human corpses during an expedition to the Great Blue Hole off the coast of Belize.

 The Great Blue Hole off the coast of Belize.