Ocean

The new estimate based on samples collected in California 8.3 million per cubic meter—not ten as previously calculated.

A research scientist in Hawaii says she found a message in a bottle written by a 1998 kindergarten class in Washington State. It's only one of several recently reported "message in a bottle" discoveries.

A tourist off the coast of Tahiti was left severely injured following a rare shark attack in the region.

The cetacean had died after getting caught in a fishing net⁠. Scientists say the netting had become jammed in the whale's baleen.

A large iceberg has broken away from Antarctica's Amery ice shelf, in a natural process scientists call a "calving" event.

"We brought in waste styrofoam and other coastal trash gathered from nearby areas so the 600 participants could carry out clean-up activities," said Lee Dong-jin, mayor of Jindo County, South Korea.

With a combined crew of 300, spread over 30 voyage legs, we'll journey through our planet's most vital and diverse marine environments.

Phillip Williamson, lead author for the ocean chapter of the report, told Newsweek: "Our planet won't be the same again."

While not a perfect experiment, the former NASA engineer came to a conclusion.

Jellyfish larvae can get trapped in bathing suits and sting the skin.

NOAA scientists witnessed the event while searching for World War Two shipwreck the Bloody Marsh.

The aquifer stretches from Massachusetts to New Jersey—the biggest formation of its kind ever found.

The dolphin was reportedly in such "poor condition" that rescue workers resorted to euthanization.

"Plastic pollution is not just a city, river or sea problem," the study's co-author told Newsweek.

Once touted as an indestructible magic material, plastics have proven they are, indeed, long lasting - often ending up in our oceans, polluting reefs and killing wildlife. Here's how to help while you travel.

Scientists analyzed the 2011 Japan earthquake to better understand the global carbon cycle.

More than 50 percent of the world's oceans will change color if global temperatures continue to rise on their current trajectory.

The masses of plastic could starve deep-sea ecosystems and hard animals, scientists fear.

Rising global temperatures have led to the devastation coral reefs and melting polar ice caps.

Some 5,000 feet beneath the surface of the sea lies a world of weird and wonderful species.

Russia in particular has grabbed headlines with renewed submarine activity in the Atlantic.

Sea lice are not actually lice; they are the larvae of jellyfish and sea anemones. 

A hydrovolcanic explosion could have caused the explosion that hit a tour boat in Hawaii.

An unattended umbrella with a wooden shaft pierced the skin of a woman on the beach, striking her on the upper-left side of her chest. 

The application Dorsal is working to train artificial intelligence to spot sharks and alert beachgoers by using drones.

One of the most recent island locations to be overrun with lava was Ahalanui Beach Park and the Kua O Ka La Public Charter School.

"A rarely seen horror."

Scientists were in a race against time to find the fragments.

The Love Nikki Sky & Sea Event here! Check out our complete guide to the event including dates, suit cost, recharge deals and more, here.

Lifeguards are flying purple flags to warn beach-goers of the organism that can cause uncomfortable stings and a rash.