Coral Reefs

Though coral usually needs light to thrive, the Amazon Reef survives despite murky waters.

Underwater Images Give First Glimpse of Newly Discovered Brazilian Reef

The Amazon Reef once shocked scientists. Now, for the first time, we know what it looks like

Creatures so small that they had been overlooked in the past—sea urchins, Echinometra viridis, (above) the size of ping-pong balls and a diminutive species of parrotfish, Scarus iseri, were grazing algae on the reef.

These Itsy-Bitsy Herbivores Could Stage a Huge Coral Reef Rescue

Tiny parrotfish and sea urchins can take over the job of their larger cousins to keep a reef free of algae

This year's science left us speechless and maybe a tiny bit more knowledgeable.

The Top 9 Baffling, Humbling, Mind-Blowing Science Stories of 2016

From gravity's song to the evolutionary secrets of dogs, this year unlocked a treasure trove of scientific discovery

This year, the Great Barrier Reef was found to be hiding another reef beneath it.

Top Eight Ocean Stories That Made Waves in 2016

2016 wasn't all bad: Stubborn environmental problems were livened up thanks to new solutions, “gee whiz” discoveries and mysterious orbs

Kure Atoll, the northernmost reef in the Hawaiian archipelago, hosts mesophotic reefs with the most species unique to a specific location found in any marine ecosystem on Earth.

Here’s What Scientists Found in Hawaii’s Mysterious “Twilight Zone”

Deep coral reefs reveal their secrets in a study two decades in the making

A reef off the coast of Bonaire

Jacques Cousteau's Grandson Is 3D Printing Coral Reefs

Fabien Cousteau, descendant of the famous sea explorer, is working on a project to bring 3D printed coral reefs to the Caribbean island of Bonaire

LiDAR imaging of the bioherms beyond the Great Barrier Reef, which is marked in red.

The Great Barrier Reef Has Been Hiding Another Massive Reef

The iconic coral reef sits above an even deeper one

Eerie Video Shows How Coral Bleaches

Time-lapse video captures the coral's convulsions while it expels the algae that give it color

Sharks are a broad and diverse group of species, but in the public imagination we tend to treat them all the same.

Humans Have Promoted the Reef Shark to Apex Predator

How these diverse predators ended up getting all the credit

An up close view of coral

Watch Corals in Action With New Underwater Microscope

The Benthic Underwater Microscope opens up a whole new age of ocean exploration

An Airbus A300 jumbo jet like this has been sunk off the Turkish coast to create an artificial reef.

Turkey Sunk an Airplane to Turn It Into a Reef

An Airbus jumbo jet will soon become home to all sorts of sea life

These comical looking mollusks are common to the Caribbean. Their eyes poke out on stalks from inside large, pink, beautiful shells, and they move along one “step” at a time, with a lift and a flop, leaving tracks behind in the sand.

An Elegant Tool Called Squidpop That Scientists Want to Crowdsource

The device is so easy to use, researchers are asking for a “squidpop blitz” for World Oceans Day

Boulder brain coral is usually common in Florida's coral reefs.

Between Bleaching and Boats, Florida’s Coral Reefs Are Struggling to Survive

The reefs are crumbling in acidifying waters and buried from dredging, according to new reports

Researchers sort through finds recovered from trawling in the central section of the Amazon reef.

Shining Light on Brazil’s Secret Coral Reef

The massive, previously unstudied reef is unlike any other known on Earth

Mass Bleaching Destroys Swaths of the Great Barrier Reef

Surveys show that 55 percent of reefs surveyed were severely affected by high water temperatures, with half of those expected to die

Coral bleaching

Coral Bleaching on the Great Barrier Reef May Get a Lot Worse in the Future

Climate change could alter temperature patterns in a way that stops corals from preparing for bleaching events

Some of the coral bleaching near Lizard Island on the Great Barrier Reef

Massive Bleaching Event Hits the Great Barrier Reef

Warm ocean temperatures have impacted large swaths of the Great Barrier Reef in the last month, part of a worldwide coral die-off

The Pearl of Dubai is half adventure park, half marine sanctuary.

Can Underwater Resorts Actually Help Coral Reef Ecosystems?

A Los Angeles company is designing artificial reefs to boost local economies and marine habitat

Our Changing Seas III, 2014

Does This Sculpture Depict a Coral Reef Collapsing or Recovering?

Artist Courtney Mattison's spiral-shaped piece explores the uncertain future for coral reefs

Bleached coral pokes through the water's surface off the coast of New Ireland, Papua New Guinea.

Sunscreen May Be Destroying Coral Reefs

Just a tiny amount of a common chemical in sunscreen can bleach and break delicate coral

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