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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, ...

Roxanne Beltran leads a team tracking 32 juvenile elephant seals during their migrations at sea. (Photo by Carolyn Lagattuta) As young elephant seals grow up, males and females diverge dramatically in ...

Each year, pregnant female elephant seals take an approximately 240-day trek over 10,000 kilometers across the Eastern North Pacific Ocean before returning to their breeding beaches to give birth ...

Physical fights between adult male elephant seals can be costly for both winners and losers. (Photo by A. Friedlaender) The UCSC field team marked all the male elephant seals at Año Nuevo and observed ...

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 ...

Elephant seals are being used as nature's artificial intelligence to monitor the health of the oceans -- especially the little-known "twilight zone," an ecosystem abundant with fish that could soon be ...

During the many months they spend at sea gorging on fish and squid, the massive mammals sleep only about two hours a day. By Annie Roth It long seemed as though African elephants were the champions of ...

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 ...

January’s wicked weather was not kind to the local elephant-seal population. Huge waves and powerful tides slammed mothers and their newborns on California’s beaches – many pups are thought to have ...

Bird flu has made its way into fur and elephant seal populations for the first time on the sub-Antarctic island of South Georgia, a team of scientists confirmed on Thursday, setting off alarm bells ...

Harassing marine mammals in California is illegal, and those convicted can face fines of more than $36,000 and up to a year ...