New species of bat, Pipistrellus etula, on Bioko Island, bringing the total number of known species worldwide to 1,500.

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 vaquita is the world's most endangered cetacean. There are just a handful left on Earth. But recently, observers spotted ...

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 ...