Sometimes by this time in February, the hellebores planted many years ago in a flower bed are showing buds, but that hasn’t ...

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

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

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

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

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 […] ...

An intrepid professor and a trio of students have been chasing evidence of a rare and elusive dragonfly through the ...