Wildlife authorities are offering a $20,000 reward for information leading to the capture of whoever decapitated a dolphin ...

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

A newly discovered tiny mammal is sending shockwaves through the evolutionary science world its traits and fossil record are ...

"Unearth the identity of the largest land mammal to have ever roamed the Earth, dwarfing even modern giants." ...

A new mammal species discovered in Mongolia reveals surprising insights into ancient inland ecosystems and the dietary habits ...

Following Florida’s first fatal bear attack this spring, there’s little argument that the state’s largest land mammal can be dangerous. But fierce debate persists over whether a good way to control ...

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

Why do cats generally live longer than dogs? New research suggests that longer lifespans of mammals like cats could be linked to their bigger brains and more complex immune systems.

A complete Mixodectes pungens skeleton reveals it was a leaf-eating, tree-dwelling mammal closely related to primates and ...

Sea mammals — seals, dolphins, whales — are dying from domoic acid from early algae blooms off LA County beaches ...

In a hard-to-reach area of northern Vietnam, a “timid” mammal moved through the rocky forest landscape, pausing to sniff the ...

The Marine Mammal Stranding Centers stranding team was called to an area ¼ mile north of the Ship Ahoy Beach Club in Sea ...