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One of the largest ecosystems on Earth lives beneath the seafloor and eats radiation byproducts

That's pretty metal!

Sawfish could soon become completely extinct if we don't stop overfishing, says a study

Ever seen a sawfish? Chances are you didn't because they're very endangered.

Living fossil fish has 62 copies of a "parasite gene" humans share too -- we have no idea how they got there

Sharing is caring?

Researchers develop a new tool to identify at-risk corals

They’re small and pretty and they need our help.

Ocean warming is a wrecking ball for coral reef systems. This researcher wants to understand it all

There's no simple solution to this problem.

Nanocrystals allow dragonfish to camouflage their teeth

This enables the dragonfish to creep up on unsuspecting critters.

We can now see ancient carbon dioxide levels with coral time machines

Wait a minute, Doc. Are you telling me you built a time machine... out of a coral?

Climate change is destabilizing marine food webs

There will likely be no Nemo to find in the future.

Why is the ocean salty?

No matter how salty you get, you'll never be as salty as the ocean

This is what ocean acidification is doing to creatures in the Arctic

The Arctic ocean acidification is much worse than we thought.

Great white sharks hunt for meals in unexpected places

As juveniles, they are bottom-feeders instead of hunting for prey near the surface

The iconic 'Dumbo' octopus stars in the deepest-ever octopus sighting

It's the deepest confirmed sighting of any cephalopod.

Iceland won't be whaling this year

It's the second year in a row where whaling is halted in Iceland, but it's not for humanitarian reasons.

Microbes discovered in the ocean's crust rely on recycling to survive

Microbes were found in rocks 700 meters below the bottom of the ocean.

Australia's deep-sea canyons feature coral gardens

It's beautiful and eerie.

At least 26% of the ocean needs to be relegated to conservation to prevent marine collapse

Not all is well in the ocean.

Oceans could be unviable for coral reefs by 2100 due to warmer, more acidic waters

"At the end of the day, fighting climate change is really what we need to be advocating for."

Global warming is literally dissolving the ocean's plankton

Global warming's evil twin is acting out, and it's starting to cause major issues.

How albatrosses could help fight illegal fishing

We may have some unlikely allies in the fight against illegal fishing -- and we need all the help we can get.

Tropical sharks are using their fins to walk

It's evolution in the making.

Martian water was mineral-rich and salty -- good hints of habitability

The seas on Mars might have been much like those on Earth.

This algorithm lets you delete water from underwater photos

Underwater photography is spectacular enough. But what if we could make it even more amazing?

Food availability acts as a cap for whales's maximum size

Both baleen and toothed whales grew as large as their food allowed.

There's a million times more microplastic in the ocean than we thought

We thought microplastics were a big problem... but they're a huge one.

Stop climate change or the Emperor penguins die, a new paper warns

I love penguins.

Roughly 98% of plastic waste in the ocean dissolves due to sunlight

This is not good news.

3D-printed coral can help save reefs and the fish that live there

When life takes your corals away, print more.

Whales blow bubbly nets to help them fish -- and we have it on camera

God, they're cute.

Underwater volcanoes can produce stadium-sized bubbles

Some bubbles were up to 750 feet (228 meters) across.

Climate change has already claimed 5 islands in the Pacific

These are the first islands we've lost to climate change.

Eruption of volcano in Hawaii led to phytoplankton bloom, study shows

What's a force of destruction for some can be a force of creation for others.

Remora's suction disks evolved to enhance holding power, research shows

Researchers designed an artificial suction disc that is even more powerful than the real thing.

How a giant mass of floating volcano rock could help the Great Coral Reef

A giant raft of light rocks is heading towards Australia -- and that's a good thing.

Sharks severely threatened by fishing fleets

Sharks are in great peril, and it's because of us.

Corals are moving away from the sweltering tropics -- and establishing new reefs

Everybody seems to be running from the heat this summer.

Satellite imaging used to spot the largest seaweed bloom in the world

The record-breaking belt of brown algae stretches from West Africa to the Gulf of Mexico.

Antarctic instability could raise sea levels by half a meter in 150 years

Currently, sea levels are 20 cm (almost 8 inches) above pre-industrial levels.

Asian dust fertilizes the ocean with life-supporting nutrients

Life, uhm, finds a way.

Researchers look into reviving bleached corals using 'non-preferred' algal symbiotes

"We want to know if it's possible that more heat tolerant, non-preferred algae could revive bleached coral communities even if the relationship is less efficient," the authors say.

Boaty McBoatFace's first mission reveals new warming mechanism in the Antarctic waters

More like Sciency McScienceFace!

Skinny seals and hungry cod point to trouble in the Baltic Sea

They're running out of food -- and climate change seems to be involved.

Sea sponges can act like surveillance cameras for the oceans

Call it underwater CCTV.

Robots and AI can help us better understand deep sea species, study reports.

We're fishing for information in the deep seas.

Deep-sea fish developed super vision to cope with abyssal darkness

Why would it evolve that way? Researchers have an idea.

There are arsenic-breathing microbes in the tropical Pacific, a new study finds

Oxygen? In this economy?! Pffff.

Most detailed survey yet finds 200,000 species of viruses living in the oceans

There's a lot of life in the oceans.

Researchers unveil the most comprehensive atlas of coral reefs to date

Maps to the rescue.

Scientists find superhot "mirror" pools in unique deep Pacific environment

The environments are also teeming with life.

Sea snakes can dive up to 250 meters deep -- that's 800 feet

Snakes have taken to the deep sea.

Plastic is "everywhere" in the ocean, including its deepest trenches -- "There's no good aspect to this," researchers say

Thrash we've thrown away years ago is killing ocean life as you're reading this.