Oceans

These glowing corals live deep in the Red Sea.

Deep-Water Corals Glow for Their Lives

New research sheds light on the secrets of fluorescent coral reefs

A horseshoe crab.

Forget Dinos: Horseshoe Crabs Are Stranger, More Ancient—And Still Alive Today

But now evolution’s ultimate survivors may be in danger

This structure in Tuscany holds clues to why Roman concrete is still so strong.

Why Ancient Roman Concrete Is So Strong

A rare chemical reaction strengthens it even today—and that could help threatened coastal communities

One of the mine-hunting dolphins being retrained to find vaquita porpoises

Mexico Will Use Dolphins to Herd the Endangered Vaquita to Safety

Mine-hunting dolphins will help researchers transfer the remaining creatures into marine sanctuaries

A selection of foraminifera, tiny marine creatures that form elaborate shells of calcium carbonate or silica.

These Fanciful Microbes Need Your Coloring Skills

A vast microscopic world writhes around you. Now a coloring book lets you bring wee beasts and beauties to life

The first atomic shock wave caused by Gilda's explosion on this day in 1946.

The Crazy Story of the 1946 Bikini Atoll Nuclear Tests

They were the first time that a nuclear weapon had been deployed since the 1945 attacks on Japan

Coral reefs, like this one off the coast of South Africa, are rich both in hue and aquatic sounds.

Coral Reefs Sound Like Popcorn, and That’s a Good Thing

The oceans boast a vibrant soundscape, but we may be slowly silencing their symphonies

Southern Resident orcas frolic in Puget Sound.

Two Thirds of Southern Resident Orca Pregnancies Fail

But now scientists think they know why

Global Fishing Fleets Waste Ten Percent of Catch

Every year, fisheries waste ten million tons of fish—enough to fill 4,500 Olympic-sized swimming pools

Coastal regions and islands are vanishing due to a lethal combination of erosion, sea rise and subsidence, or the slow sinking of land over time. The network of 1200 coral islands and atolls that makes up the Maldives in the Indian Ocean is ground zero.

What Are All The Ways That Land Can Disappear Beneath Your Feet?

From sinkholes to liquefaction, we look at how solid earth can shrink and elude our grasp

How Do Sea Lions Swim, Glide and Sometimes Even Nab Humans?

These living torpedoes pull themselves through the water using their front flippers, unlike other ocean creatures

Boaty McBoatface. It is not a boat and it has no face. Please discuss.

Boaty McBoatface Completes Its First Mission

The little submarine named by the Internet investigated the icy deep waters of Antarctica's Orkney Channel

A large number of ancient marine species, including the massive megalodon shark, disappeared in a marine extinction event roughly 2 million years ago.

Researchers Find Ancient Extinction Event Among Large Marine Creatures

More than a third of large ocean-dwelling species disappeared roughly 2 million years ago

This bleached reef near Guam shows what happens when ocean temperatures rise.

Unesco-Protected Reefs Could Be Destroyed by 2100

Over 70 percent of world heritage reefs were damaged during the recent bleaching event

Though some reefs may soon get reprieve, not all are in the clear.

The Latest Bleaching Event May Be Over, But Reefs Are Still in Danger

Places like Guam and Hawaii could soon face more hot water

Pyrosoma atlanticum floating off of Santa Cruz Island.

Hordes of Gelatinous “Sea Pickles” Are Invading the West Coast

Usually a rare creature, no one yet knows the reason for the influx of the light-emitting creatures

Basket of Gulf Shrimp

Gulf of Mexico "Dead Zone" May Grow to the Size of New Jersey This Year

Shrimp and fish may suffer as excess rain and nutrients produce one of the largest oxygen-poor zones to date

This mass of ocean fossils was found in Montana, which used to be covered by a gigantic body of water.

Scientists Are Putting Tens of Thousands of Sea Fossils Online

The Western Interior Seaway is gone, but not forgotten

This adorable orca could be plotting its next heist.

Crafty Killer Whales Are Harassing Alaskan Fishing Boats

Hungry orcas are making off with tens of thousands of pounds of cod and halibut

The sun may get all the attention, but our lunar lodestar helps creatures navigate the swells and tides of ocean life.

How Moonlight Sets Nature's Rhythms

Lunar luster triggers mating orgies, guides travelers and even can even provoke magical transformations

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