For years, scientists feared the vaquita porpoise would quietly vanish from the planet — another species lost before most ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

SAN DIEGO – In 1959, the Navy stood up its Marine Mammal program here. With one dolphin, researchers set out to study how fast the creatures could swim, in an effort to improve ship and torpedo ...

Discover what makes marine mammals unique and why they need our protection. California's coastal waters are home to some of nature’s most remarkable creatures - marine mammals like seals, dolphins, ...

This is read by an automated voice. Please report any issues or inconsistencies here. More than 400 marine mammals have been reported stranded or sickened along California’s Central Coast since June.

Diving in a kelp forest in Monterey Bay recently, I watched a tubby 200-pound harbor seal follow a fellow diver, nibbling on his flippers. The diver, a graduate student, was using sponges to collect ...

Their fur is so soft it almost led to their extinction, but otters’ recovery has been a boon to Pacific kelp forests, a key habitat for other sealife Sea otters use their agile, grippy forepaws to ...