Jessica Christian/The San Francisco Chronicle via Getty Images Jaw-dropping waterfalls, dazzling canyonside vistas, trippy ...

Northern elephant seals have adapted to sleep and dive at the same time all while avoiding predators. New research, based on the recorded brainwaves of the seals, revealed the marine mammals get ...

Elephant Seals Take Power Naps During Deep Ocean Dives During the many months they spend at sea gorging on fish and squid, the massive mammals sleep only about two hours a day. Share full article ...

When it comes to ocean diving, no seal can compete with the elephant seal. While on the hunt for their deep-dwelling squid and fish prey, these blubbery behemoths hold their breath for up to two ...

Irate males guffaw loudly through their ginormous proboscises beside dozing female elephant seals who nurse their dark-hued offspring while absorbing ...

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. The animals ...

Brainwave patterns show elephant seals take short naps while holding their breath on deep dives, averaging just 2 hours of sleep per day while at sea.

The roly-poly elephant seal weanlings are in a major transition phase in their lives, as they prepare for migration ...

“We are very concerned about elephant seal pups over these next few storms,” a Point Reyes marine mammal ecologist said.

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 ...