Y ou’d have thought scientists would know about all of the extremely large tree species out there by now given that they’re, ...

Scientists found a 3-foot-long creature with “large” teeth in brackish river water and discovered a new species, a study said ...

From the bumblebee bat to the Baluchistan pygmy jerboa, here are eight of the world's smallest mammals who thrive in a world ...

Near an island in the South Pacific Ocean, a bright red sea creature with “canine-like” teeth swam around the coral reef.

Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery.

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the ...

While operating the deep-sea robot nearly 7,000 feet below the surface, the machine’s camera captured a creature that ...

The Trump administration is reopening public comment on a proposed rule that would list the monarch butterfly as threatened ...

There are more species with only a few individuals, while only a few species are common. “In biodiversity, there is ...

A recent investigation shows that large, unbroken forests support more biodiversity than fragmented landscapes.

Ancient mammals that lived in the time of dinosaurs ... early evolution of many other things mammals have, including our large brains, eyesight, hearing, reproductive biology and parental care.

Scientists found a “large”-eyed sea creature with “canine-like” teeth on reefs in the South Pacific Ocean and discovered a new species. Photo from Getty Images / iStockphoto Near an island ...