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Researcher captures stunning video of Antarctic minke whales

Minke whales are grossly understudied, but researchers hope to fix that.

Low oxygen “dead-zones” can be deadlier to marine life than we thought

Beware ye who swim here.

Climate change is link between record-low Arctic ice cover, freak weather in Europe and the US

The Arctic's getting really hot.

In 2016, fishing ships cast their nets on over 55% of the ocean surface

That's a lot of fishing.

The mysterious deep-sea Dumbo octopus hatchlings look just like adults [with video]

These hatchlings emerge fully-formed, ready to take on the world from day one.b

Witness the birth of an octopus at the Virginia Aquarium-- and learn how it happens

The miracle of life.

Billions of plastic pieces are entangled in the coral reefs, slowly killing them

We have a massive plastic pollution problem, with no solution in sight.

Longest underwater cave in the world found in Mexico

Researchers also discovered gorgeous cenotes that may be connected with Maya religious beliefes.

Australia offers money to scientists to save the Great Barrier Reef

The clock is ticking.

Melting ice is causing the ocean to sink, worrying new study reports

Scientists have identified yet another unexpected consequence of climate change.

Surprise! Albatrosses eat quite a lot of jellyfish

Not many animals eat jellyfish because they are mostly made of water, but they are starting to take over the oceans.

Scientists find blocks of polystyrene at the North Pole

The Arctic is screwed.

Most shark fins and ray gills sold in Vancouver come from threatened, trade-banned species

We're literally eating the viability of tomorrow's oceans.

Disaster as thousands of Atlantic salmon escape from fish farm on the west coast

Potentially catastrophic for Pacific salmon.

Ocean exploration reveals trove of natural diversity off Cuba's shores

The reefs seem healthier... let's try to keep them that way.

Scientists find deep-sea miniature shark that glows in the dark

We've just started discovering the tip of the iceberg in terms of deep sea creatures.

Phytoplankton paints Bosphorus Strait in a stunning milky turquoise

Istanbul residents were delighted with the bright and milky water, as they were quick to point out on social media.

Trump administration eliminates new protection for endangered whales and turtles

It's not a good year for the environment.

How the Arctic Ocean turned salty

It was a turning point for the Earth's geological and climatic history.

Expedition to the deep ocean reveals myriad of bizarre creatures, including "faceless fish"

A fish has no face.

A reef-killing starfish's pheromones could be harnessed to exterminate them— and help the reefs!

The starfish are worse for the reefs than bleaching and disease combined.

The Mediterranean fish stocks have almost completely collapsed

It is not looking good.

Oceans have been heating up even more than we thought, new study shows

It's even worse than we thought.

Microbeads: Contaminating Our Fish and Sea Salt?

Microbeads are slowly killing off oceanic wildlife -- and that's affecting us as well.

The oxygen in the oceans has decreased by 2% in the past 50 years

It's like the ocean is having a heart attack.

Ocean acidification may be even worse for corals than previously thought

Sorry, no good news.

This Deep-Sea Fisherman Posts a Trove of Incredible Creatures

The oceans are as beautiful as they are bizarre.

Whales as Ecological Engineers

Given the sheer size of whales, it should be no surprise that they make some very important contributions to ecosystems.

This salty lake beneath the sea just kills everything inside it

They call it the "Jacuzzi of Despair" and rarely has a name been so fitting.

For the last 18 years, robotic mussels have been watching over our oceans

They've collected staggering amounts of data.

NASA plans to send an autonomous submarine into space -- for a very good reason

The sub will be used to explore Titan's oceans.

Sea Shepherd will continue to disrupt Japanese whaling ships, despite the US ruling they shouldn't

Whales > Judges.

Antarctic 'living sensors' indicate global warming affecting ocean circulation

The consequences are not known at the moment.

Whales mourn, and grieve, and feel the loss of a loved one -- just like you or me

We all know the pain and harrowing loneliness of losing a loved one, and it seems whales do too.

Are cephalopods taking over the oceans?

Human activity has been wreaking havoc on ocean life. One group however seems to thrive where others struggle to survive: new evidence shows that cephalopods' numbers have significantly increased over the last six decades.

Slow-Life time lapse video gives a beautiful glimpse into the life of corals

If you've ever seen one up close you probably know that corals are insanely beautiful, but not exactly action packed -- these animals live at their own pace, one so slow that to a human being they might seem frozen in time. But what would coral look like if it lived in 'normal' speed?

Ken Buesseler, oceanographer, answers questions about Fukushima's impact on the oceans

Ken Buesseler studies marine radioactivity. He uses radioactive elements such as thorium that are naturally occurring in the ocean as a technique to study the ocean’s carbon cycle, as well as fallout from atmospheric nuclear weapons testing and recently, the sources of radionuclides from Fukushima Dai-ichi in 2011. Following the 2011 earthquake in Japan and the subsequent tsunami, […]

Sharks usually eat meals smaller than one of yours

The voracious reputation of sharks might soon change as marine biologists uncover that most coral reef sharks eat pray smaller than a cheeseburger.

CO2 could help evaporate the water from Earth-like planets

Carbon dioxide acts like a greenhouse gas and can heat a planet's atmosphere - nothing new so far. But it can be so potent...

Oceans are running out of fish - much faster than we thought

The global fish stocks are depleting at alarming rates, much faster than reported by the UN, a study found.

Water-breathing scuba mask design still has a way to go

South Korean designer Jeabyun Yeon has just unveiled his new concept of a scuba mask that would allow anyone to breathe underwater without requiring air tanks. His design, named the Triton, includes two arms linked to a mouth piece. The branching arms are designed to extract free oxygen atoms from the water and supply breathable air directly to the user. But I'm not sold on it just yet.

Fukushima meltdown isotopes found on U.S. coasts.

The full extent of Japan's 2011 Fukushima meltdown is still being uncovered, with measured levels of contamination increasing in previously identified sites throughout the North American coast. While it's still too low to threaten human or ocean life, this confirms that the power plant continues to leak radioactive isotopes researchers report.

CO2 in the atmosphere heralds imminent food chain collapse -- and it's gonna start in the oceans

Bad news for us -- and fish.

Antarctic Ocean Sucks Down More and More Greenhouse Gases, But It's Still Not Enough

The Antarctic Ocean has been sucking more and more carbon dioxide - and this is both good news and bad news. For the Ocean's inhabitants, it's bad news because it increases acidity, which is extremely harmful; for everyone else, it's good news, because it mitigates the effects of climate change.

Greenland Glacier Loses Huge Chunk of Ice

Scientists have reported the break of a huge part of Jakobshavn Glacier, one of the largest ones in Greenland. A chunk of it roughly the size of Manhattan broke some time between August 13 and August 19.

Warming oceans could destroy corals in the Pacific and Atlantic, researchers warn

Coral populations are crucial to the health of oceanic environments, but corals are also extremely vulnerable to changing conditions. Researchers warn that warming waters and ocean acidification lead to coral bleaching which can cause massive damage across both the Atlantic and the Pacific.

What is the Portuguese Man of War

We'll take a look at the Man of War and see what you should do to stay safe on the beach.

Ocean trek reveals the massive diversity of the oceanic plankton [with photos]

In what's perhaps one of the most amazing marine science study, a team of researchers scoured the world's oceans fishing for microbes, viruses and other tiny life during a three and a half year trip aboard a schooner. The trip was long and arduous for sure, but ultimately it paid out - big time! The team collected 35,000 samples at 210 stations over the voyage, and found 35,000 species of bacteria, 5,000 new viruses and 150,000 single-celled plants and creatures. Most of these are new to science. Only a small fraction of the newly discovered and known species alike had been genetically sequenced, but results so far show just how interconnected and symbiotic marine life is. It also means it's also vulnerable in the face of environmental changes, particularly climate change.

NOAA to double size of California’s bay area marine sanctuary

The National Oceanic and Atmospheric Administration (NOAA), Obama administration and California lawmakers have announced a doubling of the size of the Cordell Bank and Gulf of the Farallones national marine sanctuaries off Northern California.   “NOAA is expanding the boundaries of Cordell Bank National Marine Sanctuary (CBNMS) and Gulf of the Farallones National Marine Sanctuary (GFNMS) to […]

Arctic ice melting much faster than thought

Using both modern and historic measurements, researchers now have a more extensive view of how the Arctic sea ice has changed in the past few decades, finding that the ice is melting much faster than previously expected. The ice in the central Arctic Ocean thinned 65 percent between 1975 and 2012, from 11.7 feet (3.59 meters) to 4.1 feet (1.25 m).