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 predators. The elephant seals can ...

For the first time, scientists have recorded brain activity in a free-ranging, wild marine mammal, revealing the sleep habits of elephant seals during the months they spend at sea. The new findings, ...

Elephant seals drift downwards in a "sleep spiral" when deep diving in the ocean, a new study found. Sleeping while deep diving allows the seals to avoid predators, scientists believe. The scientists ...

Monarch as a weanling with her new tags in April 2023. Photo taken under NMFS permit 22187-04. Molly Murphy Researchers don’t often put electronic tags on elephant seal pups. At more than $3,000 per ...

An elephant seal named Phyllis at Ano Nuevo Natural Preserve within Ano Nuevo State Park near Pescadero, Calif., in May. UC Santa Cruz researchers say Phyllis has set a record by swimming farther west ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

Jaw-dropping waterfalls, dazzling canyonside vistas, trippy desert mirages—state parks have something for everyone to ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Northern elephant ...