More than 300 million years ago, during the Carboniferous Period, much of northern Illinois outside Chicago—including what is ...

Some animals seem out of place at first glance. Sometimes that can be chalked up to the limits of imagination, but other ...

While the majority of animals (humans included) roam the Earth, some of nature’s most fascinating creatures spend their lives in trees. A recent study tracking koala movements highlights this fact.

Neanderthals in two nearby caves used different techniques when butchering animal carcasses in what is now Israel, according ...