Sloth size and habitat shifted multiple times over the past 35 million years, but human hunting likely drove the slower, ...

Annabelle Brawdy is living with AGS a rare and potentially life-threatening allergy to red meat and other mammal products caused by a tick bite.

The genomes of long-living, big-brained mammal species reveal that they carry more copies of immunity genes. Experts ...

A long-awaited upgrade to one of five marine mammal field stations in the state is finally moving forward, promising to ...

A second gray whale that died this year from a suspected vessel strike was found in the San Francisco Bay, according to The Marine Mammal Center (TMMC). It is the ...

The wildlife sanctuary doesn't usually reach this milestone until the end of June. There are a number of reasons for the ...

At 8 a.m., with the sun lighting the sky but not yet over the hills, a team of marine mammal rescuers climbed down on to the ...

An adult female gray whale was spotted off Mare Island in Vallejo. This is at least the seventh dead whale that has washed up along a Bay Area beach this year.

The Marine Mammal Stranding Center found the 2-year-old seal stranded on a beach late last year. The Marine Mammal Stranding Center found the 2-year-old seal stranded on a beach late last year.

NOAA suspects that the dolphin was mutilated between April 16 and April 18. The action violates the Marine Mammal Protection ...