Legends about the extinct bird being slow of foot and mind are just that: legends.
Researchers are turning to a rare genetic condition to explore the mysterious origins of human cooperation.
Climate change is threatening this yuletide classic.
"I don't know whether you saw the YouTube video that Obama put out to accompany his big climate speech in June, but I was surprised: there wasn't a single polar bear image in it."
Even in one of the world’s richest countries, humans have a hard time coexisting with wolves.
Life can be hell for giants of the deep—but does it have to be?