An elephant seal forages for fish near an underwater observatory called in Berkley Canyon off the coast of British Columbia. This subsea lab named NEPTUNE is over 2,000 feet deep and a team of ...

Scientists have learned that northern elephant seals — massive creatures found along the Pacific Coast of North America — cobble together a couple hours of sleep using underwater power naps.

Elephant seals sleep about 10 hours a day on the beach, like these 2-month-old northern elephant seals resting at California's Año Nuevo State Park.

When Northern elephant seals haul out on land to breed and molt, they sleep for over 10 hours a day. During that time, the seals aren’t eating, which may explain their need for extra sleep.

Northern elephant seals are the true masters of the power nap. On long trips out to sea, the seals snooze less than 20 minutes at a time, researchers report in the April 21 Science.

Northern elephant seals were once thought to be extinct due to commercial sealing in the 1800s, but a small population survived in Mexico and the population began to steadily increase in the ...

Northern elephant seals can go long stretches with only small naps. Then they crash once they're on shore. (Jessica Kendall-Bar/NMFS Permit 23188) Maybe you didn't get enough sleep last night, but ...

Federal wildlife authorities are searching for a person of interest in the stabbing of a baby elephant seal on an Oregon beach, leaving it injured with multiple wounds. The 225-pound pup was ...

Every year, northern elephant seals migrate from their molting and breeding sites in California and Mexico, to their feeding grounds in the North Pacific Ocean.

Elephant seals sleep about 10 hours a day on the beach, like these 2-month-old northern elephant seals resting at California's Año Nuevo State Park.

By Ashley Strickland, CNN Northern elephant seals might be masters of multitasking in the animal kingdom because they’ve learned how to sleep and dive at the same time — all while avoiding ...