Orcas, or killer whales, are deadly and beautiful apex predators.

Sleeping underwater might sound peaceful — but for ocean animals, it’s a matter of survival. Some dolphins sleep with one half of their brain at a time, keeping one eye open to avoid danger and ...

Discovered 3,600 meters below the Southern Ocean, this carnivorous sponge traps live prey in a first-of-its-kind survival ...

"Our results challenge the longstanding idea that rods and cones are two fixed, clearly separated cell types. Instead, we ...

The 30-foot whale, believed to be a humpback, came onto shore at about 3 p.m. between the Newport and Balboa piers ...

Head under the waves of the Atlantic Ocean, and you will find one of the most beautiful killers in the sea. Meet the lionfish, an extravagant-looking fish featuring flowing spines and vivid zebra ...

Dog walkers discover 2,000-year-old human footprints on beach - Archaeologists say the human and animal prints were made at the height of the Roman Empire ...

From the octopus that walks on land to another that grows its own ‘lifejacket’, discover these unusual species ...

CNW/ - Canada is home to some of the world's most diverse ecosystems and incredible landscapes. This natural beauty helps shape our identity and influences who we are as a country which is why ...

Big-eyed fish, white squat lobsters and curious-looking brittle stars are all living among the wrecked ship, new study ...

If you’d like to submit a question to the Outside/In team, you can record it as a voice memo on your smartphone and send it to outsidein@nhpr.org. You can also leave a message on our hotline, 1-844-GO ...

The federal government recently released new dietary guidelines aimed at “ending the war on protein” and steering Americans ...