The Ocean

  • Pictures of a Lethal, Gelatinous Beauty

    Pictures of a Lethal, Gelatinous Beauty

    The Portuguese man-of-war is infamous for its painful sting, but one photographer finds the beauty inside this animal's dangerous embrace.

  • Deep-Sea Creatures

    Deep-Sea Creatures

    Adaptation is the name of the game when you live thousands of feet below the water's surface. See how these deep-sea denizens make the most of their deep, dark home.

  • Living Color

    Living Color

    Humble sea slugs turn self-defense into art in this photo gallery by David Doubilet.

     

  • Why Are Jellyfish Swarming?

    Why Are Jellyfish Swarming?

    Swarms of jellyfish that have appeared recently in the Pacific Northwest and the United Kingdom are not unusual, but may signal an ocean out of balance, experts say.

  • Dangerous Sea Creatures

    Dangerous Sea Creatures

    The ocean is full of beautiful creatures—but some of them can be hazardous to your health.

  • Marine Worms

    Marine Worms

    A marine worm may resemble a feather duster, a leaf, or even a plate of pasta—and these creatures' amazing abilities are as varied as their appearances.

  • Clownfish Photo Gallery

    Clownfish Photo Gallery

    Bound in an alliance of mutual benefit, clownfish and their host anemones are the crown jewels of coral reefs.

  • One-of-a-Kind Sea Creatures

    One-of-a-Kind Sea Creatures

    The sea is home to millions of species. Some are unique enough to truly stand out from the crowd.

  • Watch: Fish Eats Shark

    Watch: Fish Eats Shark

    A goliath grouper snatches an "easy" meal when it downs a four-foot shark in one bite.

  • Divers Clean Reefs to Save Marine Life

    Divers Clean Reefs to Save Marine Life

    A team of conservation divers visits reefs to extract fishing line and anchor rope that pose threats to turtles, dolphins, and other marine life.

  • Big Win for Sea Turtles in Puerto Rico

    Big Win for Sea Turtles in Puerto Rico

    A new law marks an unexpectedly happy ending to a 15-year battle fought by environmental activists to wrest this portion of the Caribbean island’s coast.

  • Seaweed Killing Coral Reefs

    Seaweed Killing Coral Reefs

    Some seaweeds are waging "chemical warfare" on coral reefs in Fiji—and possibly around the world, a new study says.

  • Photos: Jellyfish

    Photos: Jellyfish

    See photos of unusual creatures with no brains, no hearts, and no blood.

  • Photo Gallery: Strange-Looking Sea Creatures

    Photo Gallery: Strange-Looking Sea Creatures

    Among the ocean’s countless species, some stand out for their looks—but not always in a good way. Meet some of the sea’s most unusual-looking animals.

  • Thousands of Baby Turtles Hatch in Brazil

    Thousands of Baby Turtles Hatch in Brazil

    See photos from a mass hatching of South American river turtles at the Abufari Biological Reserve.

  • Leafy and Weedy Sea Dragon

    Leafy and Weedy Sea Dragon

    Think that’s just seaweed? Look again. Leafy and weedy sea dragons are some of the best camouflaged creatures on the planet. Find out how these cunning critters blend in.

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    Photos: "Stunning" Sea Creatures

    A hitchhiking anemone, a perching sea robin, and a many-armed sea star were recently spotted off the Indonesian island of Sulawesi.

  • Atlantic Seismic Oil Exploration Looms

    Atlantic Seismic Oil Exploration Looms

    An environmental review paves the way for seismic oil and gas exploration off the U.S. Atlantic coast. Some areas will be closed to air guns to protect marine mammals and turtles.

  • Climate Change and Sea Turtles

    Climate Change and Sea Turtles

    Warming oceans, rising sea levels, more frequent and violent storms—these predicted effects of climate change put sea turtles at risk. Can they rise to the challenge?

     

  • Golden Jellyfish Is a New Species

    Golden Jellyfish Is a New Species

    Beautiful jellyfish invading fisher's nets is a new species.

  • Photos: Glowing Caribbean Creatures

    Photos: Glowing Caribbean Creatures

    A bevy of bottom-dwelling creatures—including shrimp, coral, and anemones—have been found to glow, a new study says.

  • Amazed Diver Swims With Mother Whale and Calf

    Amazed Diver Swims With Mother Whale and Calf

    During a recent voyage along South America's eastern coast, Justin Hofman was surprised to get close-up footage of an unfazed mother whale and her newborn calf.

  • Megalodon Is Dead, Not Forgotten

    Megalodon Is Dead, Not Forgotten

    Paleontologists continue to investigate the life of prehistory's most famous shark.

  • Polar Algae Forests

    Polar Algae Forests

    In cold Antarctic waters, explorers are finding lush forests of giant, "bad tasting" seaweed and communities of rarely seen sea creatures.

  • Strange Jellyfish Spotted by Expedition

    Strange Jellyfish Spotted by Expedition

    "None of us have seen anything like it"—have you?

  • About Whale Hips

    About Whale Hips

    Buried deep within the body of a whale, underneath the heaps of muscles and tendons, lie some little, lonely bones.

  • A Blast at Whales

    A Blast at Whales

    Companies have been cleared to seek seismic noise permits in the Atlantic, but ocean researchers fear for whales.

  • Shark Pictures

    Shark Pictures

    Take a peek at some familiar, and not-so-familiar, sharks—from great whites to sawsharks to Greenland sharks.

  • Underwater Creatures Photos

    Underwater Creatures Photos

    The undersea world is a riot of colors, shapes, and behaviors. From fish that change sex to diaphanous nudibranchs and tiny seahorses, take a look at some of the more unusual sights to be seen underwater.

  • Japan to Stop Hunting Whales

    Japan to Stop Hunting Whales

    Japan halts whaling program in response to international court ruling.

  • The Atolls' Sharks and Turtles

    The Atolls' Sharks and Turtles

    One of a pair of tiny French territories tucked between Madagascar and southern Africa provides a mating area for green turtles. The other is home to Galápagos sharks.

  • A Cannibalistic Great White?

    A Cannibalistic Great White?

    Researchers are trying to figure out what ate a nine-foot-long great white shark off the coast of Australia.

  • Danger Zones for Blue Whales?

    Danger Zones for Blue Whales?

    Popular spots for blue whales off the California coast overlap commercial shipping lanes, a new study finds.

  • Photos: New Philippine Sea Species

    Photos: New Philippine Sea Species

    An "inflatable" shark and colorful sea slugs join hundreds of new species hauled up during a recent expedition to the Philippines.

  • Sea Turtles Return to the Sea

    Sea Turtles Return to the Sea

    A sea turtle rescue center in North Carolina cares for and rehabilitates injured sea turtles, and returns them to the ocean amid cheering crowds.

  • Do Beaked Whales Have Internal Antlers?

    Do Beaked Whales Have Internal Antlers?

    The elusive mammal may be able to detect a rival male's antlers through echolocation, scientists say.

  • Huge Jellyfish Washes Ashore

    Huge Jellyfish Washes Ashore

    Australia's largest known jellyfish was found on a beach in Tasmania.

  • Photos: Animals of the Galápagos

    Photos: Animals of the Galápagos

    Marine iguanas look fierce, but are actually gentle herbivores, surviving exclusively on underwater algae and seaweed.

  • Whale Shark Pictures

    Whale Shark Pictures

    In a surprising interaction at sea, colossal whale sharks home in on fishing nets near the island of New Guinea—and fishermen dole out snacks to the pilfering beasts. Photographer Michael Aw captures the interaction in this gallery.

  • Rays

    Rays

    See the stingers, shockers, and other amazing abilities of the flattened fish that have gracefully cruised Earth’s seas for 150 million years.

  • Toxic and Stinging Sea Creatures

    Toxic and Stinging Sea Creatures

    The seas are home to some of the planet’s most toxic creatures. Go ahead and take a good look—but don’t touch.

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