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286 Results From "marine mammal"

A wide-angle, underwater photograph of a young sea lion with large, dark eyes and long whiskers looking directly into the camera lens. Sunlight beams down through the clear blue water, illuminating the sea lion's head and other sea lions swimming in the background. The foreground shows a rocky seabed covered in marine life, including several dark, spiny sea urchins.

How marine mammals stay hydrated in a salty sea

By Sara Kiley Watson

An aerial view, taken from a drone, shows two enormous blue whales swimming just below the surface of dark blue ocean water. The whale on the left appears larger, and its skin texture and shape are clearly visible under the water.

Flying with whales: Drones are remaking marine mammal research

By Gennaro Tomma / Knowable Magazine

purple bones from a sea otter in a tide pool

Sea otter bones can turn purple

By Laura Baisas

a whale swimming

The oldest-known humpback whale recording was hiding in an archive

By Laura Baisas

three scientists in an inflateable boat approach a whale that is tangled in fishing line. the whale's dorsal fin can be seen just above the water's surface

Young humpback whale freed from a death trap in Alaska

By Sara Hashemi

two black whales under water. one is diving down the other is looking at a camera head on

Hawaii’s short-finned pilot whales eat over 77,000 squid a year

By Laura Baisas

a whale breaching with a bridge in view

‘Save Willy Act’ introduced in California to help save whales in Bay Area

By Margherita Bassi

a dolphin (left) and a more rounded porpoise (right)

Florida can’t decide if its official saltwater mammal is a dolphin or a porpoise

By Margherita Bassi

Chonkers the Steller sea lion sleeping along side other, much smaller California sea lions

Chonkers the 2,000-pound sea lion is making waves in San Francisco Bay

sea lion on pier

How to watch Chonkers, the 2,000-pound sea lion live from San Francisco

By Laura Baisas

A harbor seal (Phoca vitulina) on the beach during the summer premoult stage.

When wily sea lions and determined wildlife officials sparred in Seattle

great white shark swimming

Great white sharks grow a whole new kind of tooth for slicing bone as they age

By Emily Hunt, David Raubenheimer, Ezequiel M. Marzinelli / The Conversation

a dolphin swims in venice, italy

Humans pose the biggest risk to Venice’s celebrity dolphin

By Laura Baisas

an aerial photo of a whale shark swimming. it has a large wide mouth, and a blue-gray body with white spots

Over 2,000 animals spotted off the coast of Cape Cod

By Margherita Bassi

a mother seal gives a baby seal a swimming lesson underneath ice

Baby seal gets a swimming lesson

By Margherita Bassi

a pregnant male sea horse

Florida students watch male seahorse give birth in the wild

By Laura Baisas

several rescue technicians hold a stranded dolphin in a net before releasing it

11 dolphins stranded in Cape Cod rescued by nonprofit

By Margherita Bassi

fake spider webs for halloween

Beware! Your Halloween decorations could be a nightmare for wildlife

By Margherita Bassi

A sperm whale and a photographer in the Atlantic Ocean near Portugal.

First-of-its-kind video confirms sperm whales really do headbutt

By Laura Baisas

Video screenshot of remoras attached to humpback whale

Ride on a humpback whale with little sucker fish

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large brown bear with broken jaw

Big boy Chunk returns ahead of Fat Bear Week 2026

By Popular Science Team

Concept art of big bang showing explosion in space-time grid launch galaxies out into the universe

Particle Physics

68% of physicists don’t think the time started at the big bang

Raccoon in tree looking at camera

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WWII bomb on sand

World War II shell detonated on British Coast

By Margherita Bassi