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.
US Coast Guard responds to Russian military ship near waters off Oahu
Lockheed Martin, Saildrone to advance armed USV capabilities for US Navy
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.
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.
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.
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.
Baby walrus receives 'cuddle therapy' from lucky wildlife experts
The one-month-old calf was found four miles from the sea without his mother.
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.
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.
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.