A scientist has discovered a hopping treasure trove -- 16 new species of grasshoppers living in the thorny scrubs of U.S. and Mexican deserts.

Apparently, a recent mass extinction event in South America never actually happened. For four decades, it was believed that a […] ...

When you've always known deciduous trees to drop their leaves in winter, seeing one that hasn't can be unsettling. Here's why ...

New research shows that a fossilized plant from the Green River Formation is even stranger than scientists originally thought ...

That's the way one scientist puts it — referring to how infected wild birds survive long enough to spread it to birds and ...

A new study has unveiled the far-reaching ecological impact of wolves and other large carnivores in Yellowstone National Park ...