* More than half of all plants, a third of animals at risk-study * Rapid peak in greenhouse gas emissions could reduce impacts ...

When Rick Ostfeld heard about the sky-darkening flocks of birds descending this winter on Hopkinsville, Ky., he couldn't help but think of Alfred Hitc...

BILLINGS, Mont. -- The tenacious wolverine, a snow-loving carnivore sometimes called the "mountain devil," could soon join the list of species threate...

The continental U.S. has just experienced the hottest 12 month period in recorded history. The West is on fire. The Maldives are going underwater and ...

By Wynne Parry, LiveScience Senior Writer: Wolverines, bearlike members of the weasel family, seem to depend on spring snow cover, but it's not cle...

WASHINGTON -- From the mighty polar bear to the tiny house sparrow, many of Earth's species appear to be shrinking in size, a new study reports. And t...

We often forget how lots of creatures are adapting -- from humans relocating to get away from cold winters or hurricanes to moths growing darker wings in response to growing pollution levels.