The Marine Mammal Center warns that warming ocean waters and a rise in domoic acid are endangering sea lions in Monterey Bay, ...

A newly discovered fossil from Mongolia reshapes how scientists understand early mammal evolution and ancient species relationships.

Millions of years of isolation have shaped Australia's extraordinary mammal fauna into species unlike anywhere else in the world, from platypus to koalas and wombats. Tragically, Australia is the ...

The Marine Mammal Center responded Monday morning to a sea lion in distress, apparently suffering from domoic acid poisoning, at San Francisco' popular Crissy Field. The large California sea lion was ...

WASHINGTON, July 18 (Reuters) - While there is little doubt that many a Mesozoic mammal became a meal for a dinosaur, it may come as a surprise to learn that some mammals also dined on dinos. A ...

Add Popular Science (opens in a new tab) More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results.

The Marine Mammal Center has been tracking reports of a humpback whale that entered San Francisco Bay this week and continued traveling east into the Sacramento-San Joaquin Delta near Rio Vista. First ...

Editor’s note: Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Sometime during the Cretaceous Period, ...

Teeth can reveal a lot, such as how the earliest mammals lived with their neighbors. Researchers have uncovered dozens of fossilized teeth in Kuwajima, Japan and identified this as a new species of ...

A recent study highlights that over 1,000 new species of mammals have been described globally during the last dozen years, a finding that contradicts the notion that our mammalian relatives are well ...

Ever since she was a child, Polacek has had a love for animals. She carries this devotion through her work as a marine mammal trainer at the Indianapolis Zoo.