OCEANS

Emperor penguin released at sea 20 days after waddling onto Australian beach

Lost Emperor Penguin Who Washed Up in Australia Returns Home

A penguin named Gus captured people’s hearts when he appeared on an Australian beach not long ago. Now he’s ready to go back home.

They are several differences between the two.

Tsunami vs. Tidal Wave: What’s the Difference?

Tsunamis and tidal waves may look similar, but they differ in crucial ways.

The beaches of Newfoundland are covered with gooey white blobs.

Weird White Blobs Are Taking Over Some Canadian Beaches

The beaches of Newfoundland are a little less pleasant since white blobs have appeared everywhere.

The Neptune Memorial Reef off Florida’s coast.

Explore the World’s First Underwater Cemetery

Neptune Memorial Reef is a piece of art, a cemetery, and a haven for wildlife.

Watch an Octopus Boss Around Fish to Track Down Prey

A new study shows that octopuses become bosses and fish become subordinates when the two species hunt together.

Scientists are concerned, and you should be too

Scientists Say Antarctica’s ‘Doomsday Glacier’ Could Be Gone Within 200 Years

Scientists warn that the loss of the Thwaites Glacier could raise global sea levels by 25 inches.

Linhares’ new law gives part of the ocean several protections.

Brazilian City Grants Legal Personhood to Ocean Waves in Historic First

Linhares in Brazil has taken a groundbreaking step by granting human rights to part of the ocean.

‘Le Lyonnais’ (not pictured above) has been discovered after nearly 200 years.

‘Le Lyonnais,' a Long-Lost French Steamship, Has Been Discovered Off the Massachusetts Coast

The French vessel was the victim of a maritime hit and run.

Watch Mesmerizing Footage of a Deep-Sea ‘Spaghetti Monster’

Bathyphysa conifera, or the flying spaghetti monster, can grow several feet long.

Porbeagle sharks can grow up to 12 feet long and can weigh around 500 pounds.

7-Foot Shark Likely Eaten By Great White in First Documented Attack of Its Kind

The new discovery could change the way scientists think about shark predation.

You don't want to come across a bearded fireworm on your beach day.

Beachgoers, Beware: Venomous Fireworms Have Been Spotted on Texas Shores

Texans should take special caution on beaches—these fireworms pack a powerful sting.

8 Terrifying Creatures that Haunt the Deep Sea

From giant tubeworms to fangtoothed fish, there are tons of terrifying creatures lurking in the deep sea.

Say hello to the world's cutest research assistant.

Sea Lions With Cameras Collect Valuable (and Adorable) Footage of the Ocean Floor

Sea lion camera crews are helping scientists map uncharted waters.

Climate Change Is Making Seafood Dangerous to Eat

Mercury in seafood is another growing concern thanks to global warming.

Squid vs. Cuttlefish: What’s the Difference?

The sophisticated cephalopods have highly evolved vision and can use jet propulsion to escape predators, but there are a few key differences between squid and cuttlefish.

These gentle giants have so much history.

New Study Sheds Light on the Greenland Shark's Record-Breaking Lifespan

Scientists are closer to understanding how Greenland sharks can survive for hundreds of years.

Tons of melting ice in Greenland and Antarctica is making Earth’s days just a teeny bit longer.

Global Warming Is Making Earth Days Longer, New Studies Show

Melting polar ice is slowing Earth’s rotation speed, extending the length of each day by a few milliseconds per century.

You don't have to travel to Manitoba to see these majestic creatures.

Beluga Livestream Captures the Whales' Epic Summer Migration

Beat the heat by tuning into these Arctic sea creatures.

Frilled sharks are usually found in the deep ocean, but this one popped up in waters off Japan in 2007.

7 Deep-Sea Sharks That Will Haunt Your Dreams

The creepiest sharks are found thousands of feet beneath the sea.

12 Surprising Facts About Manatees

Manatees are aquatic animals that live in coastal waters in several places throughout the world.

A green sea turtle swims in the waters off Maui.

20 Terrific Facts About Sea Turtles

Did you know that sea turtles can dive up to 3000 feet deep and migrate thousands of miles? Learn more intriguing facts about these incredible creatures.

A group of volunteers separates trash they’ve collected from the sea.

Watch as Ocean Trash is Turned Into Sustainable Art

Gyrecraft, a project from the design firm Studio Swine, shows how one person’s ocean trash is another’s sustainable art.

*Insert Jaws theme here* / Alexyz3d via Shutterstock

Wild Misconceptions About Sharks

In this episode of Misconceptions, host Justin Dodd debunks some myths about these great beasts of the ocean, from whether punching them in the nose is a valid defense tactic to the events that inspired 'Jaws.'

10 Facts About the Portuguese Man O’ War

The Portuguese Man O' War might look like a bloated jellyfish, but it’s actually a strange amalgamation of tiny life forms.