The answer may surprise you.
The obituary of noted botanist George R. Proctor reveals a surprising story.
A look at how climate change and human influences are changing the dynamics of fire, and the landscape, in the American west.
For 30 years we have assumed that no life would return to Chernobyl after the nuclear disaster there. We may be wrong.
Since the 1970s, half of the world's fish population has disappeared. We trace the history of this ecological disaster.
Venom is used by some surprising animals, including mammals.
Turtle shells evolved over time from earlier precursor structures.
Urban crabs are more aggressive than their rural counterparts because of heavy metal contamination.
The effects of drones and planes on animal stress.
Studies of play in dolphins