The Mpemba effect sounds like it should be easy to debunk: hot water freezing faster than cold water? That's backwards. But ...

In subzero winds, hypothermia announces itself in small, easy-to-miss ways. Here’s what one Nat Geo Explorer does to combat it in some of the coldest places on Earth.

Our planet is unique for its ability to sustain abundant life. From studies of the rock record, scientists believe life had already emerged on Earth at least 3.5 billion years ago and probably much ...

Japanese macaques are famous for soaking in hot springs during winter, but new research suggests this behavior may serve ...