Polar bear fur resists ice because of a natural greasy coating called sebum. This helps them move quietly while hunting.

Immigration and Customs Enforcement is playing a key role in the Trump administration’s plans to crack down on illegal ...

Humans have become a geologic force by cooking the planet — using fire on a scale that is altering land, water, air and ...

A Kansas community is mourning after two children were found dead, their bodies trapped underneath ice in a nearby lake.