The vaquita is the world's most endangered cetacean. There are just a handful left on Earth. But recently, observers spotted at least one or two new calves.

Large mammals in Yellowstone adapt to summer heat by changing behavior—shaped more by landscape than biology, a new study ...

Imagine an animal that seems to be assembled from various other creatures: it has large eyes, the round body of a rabbit, a rodent’s pointed snout, tiny pig-like hooves, and even fangs like those of a ...

I f you weighed all the world’s mammals, how much of that figure—known as biomass—would include wild animals? As of 2020, they contributed roughly 5 percent of the biomass o ...

The Bottlenose Dolphin is widely regarded as the most intelligent mammal on Earth. Known for their exceptional problem-solving skills, advanced communication, and emotional awareness, these marine ...

The smallest mammals on Earth prove that survival, agility, and a voracious appetite have nothing to do with scale.

Bats achieved true flight through unique evolutionary changes. A new study reveals how bats repurposed existing genes and ...

(CNN) — The story of two of the strangest animals on the planet just got a little stranger, thanks to clues revealed by a lone fossil specimen that scientists now say represents a long-extinct ...