The giant Mississippi dead zone John Kerry wants you to know about
"The ocean is life itself. That life is being threatened because of the very reckless and careless activities of human beings," the U.S. envoy for climate told Newsweek.
Russia Navy blasts may have killed a dozen of world's deepest diving whales
A necropsy of several Cuvier's beaked whales showed they had gas bubbles in their veins and organs, indicating death from embolism.
Pygmy sperm whale on Florida beach was emaciated with abnormal heart tissue
An expert told Newsweek: "The most significant findings were emaciation and abnormalities in the heart tissue. These were consistent with heart disease."
Extraordinary footage shows rare whale grave at bottom of Antarctic Ocean
"It's most likely that we caught a very lucky snapshot glimpse of a whale fall site no one had ever seen before, or will again," one scientist told Newsweek.
Orca mom adopts baby pilot whale in first known case of its kind
The orca has never had a calf of her own, meaning she may be looking after the whale as a substitute.
Rarely-seen giant Pacific octopus filmed swimming through Oregon tidepool
In the video, the bright red octopus can be seen moving slowly through the water and camouflaging itself on a rock.
Watch massive beached shark on verge of death get carried back to ocean
The thresher shark was completely motionless when it was found stranded in the shallow waters of a South African beach.
Never-before-seen footage of "Titanic" wreck set to be unveiled
"Breathtaking" footage of the "Titanic," taken in 1986, the year following its rediscovery, will be aired for the first time on February 15 at 7.30 p.m. ET.
Jekyll the great white shark tracked off Myrtle Beach
The juvenile great white, which measures over 8 foot, has been lurking in the waters of South Carolina for several months.
Mystery of giant frozen shark on Cape Cod beach baffles experts
"His razor teeth were incredibly intimidating up close," photographer Amie Medeiros told Newsweek.
Hawaii man sucked into storm drain and dragged 2,400ft into ocean
The firefighter was clearing debris from a storm drain when flood waters swept him off his feet.
Calls to give carp herpes after rampant breeding sees 1000s dead on beach
Freshwater carp constituted most of the massive swarms of fish washed up on a beach in southern Australia.
Mysterious ocean "whiting events" seen from space leave scientists stumped
The weird phenomenon has been spotted around the world and seems to be impacting larger and larger areas.
Weird spike in stranded and dead whales washing up announced
Since December 1, there have been nine whale strandings along the eastern U.S. coastline.
Watch extremely rare footage of giant squid with "thick arms": "Terrified"
"If I was caught, I would not be able to escape," Yosuke Tanaka, the scuba diver who shot the video, told Newsweek.
Stranded shark dies after washing up on Massachusetts beach
A necropsy found that the porbeagle shark was "clearly" ill before dying, but researchers have yet to determine what exactly killed it.
"No-one even knew they were gone or missing"
A couple spent days treading water miles out to sea after getting swept away during a camping trip to a secluded island.
Man catches prehistoric creature with chainsaw face on first fishing trip
Daniel Nuzum and AJ Rotondella released the critically endangered, 13-foot sawfish after hooking it off the coast of Florida.
Great white shark tracked just 50 miles from Myrtle beach
The 8.4-foot shark is just one of many starting to congregate around the Carolinas.
Video of giant octopus being reeled in by fishing boat terrifies viewers
Giant Pacific Octopuses can grow up to 30 feet in length with the biggest on record weighing 600 pounds.
Thin orca covered in shark bites found dead with stomach full of plastic
Footage from the day before her death shows the 16-foot whale approaching divers, which could have been a call for help.
Rare "December" blue whale appears far from where it should be
Blue whales usually migrate south for the winter months, mating and giving birth in the warmer waters off Mexico and Central America.
Deadly jellyfish-like creatures wash up on South Carolina beach
"DO NOT TOUCH THEM!" the Shore Beach Service warned beachgoers.
Ghost shark and stripy creature new to science discovered in ocean depths
The new species was found in one of the most remote, and deepest, marine environments in Australia.
Megalodon and great white shark graveyard discovered at bottom of ocean
Over 750 fossilized shark teeth were found almost 18,000 feet below the ocean surface.
Ancient New York ocean discovery could hold secret of hydrogen storage
The contents of the ancient seawater trapped in rocks for 390 million years may also give scientists clues about the climate on ancient Earth.
Ocearch shark tracker reveals great whites congregating off the Carolinas
"White sharks are coastal during this time of year and can come quite close to shore," a shark expert said.
Clouds that look like ocean captured over Minnesota in incredible photo
Scientists aren't sure what kind of cloud could appear as a wavy sea in the sky and some even doubt the picture's authenticity.
A 23-ton chunk of rocket is set to slam into Earth and no one knows where
The core booster from China's Long March 5B rocket, delivering the final piece of the Tiangong space station, will crash-land in an uncontrolled reentry.
Huge 13ft great white shark "Bob" pings just off Chesapeake Bay
Bob is one of the many animals tagged by OCEARCH, a non-profit ocean research organization that tags and studies sharks and turtles, among other species.