As Earth approaches warmer levels experienced earlier in its geologic history, it may be bad news for human survival.

Researchers have long wondered about the mysterious flat patches they found on the teeth of Ice Age Europeans. These dental ...

A nearly 6,000-year-old forest is once again seeing daylight after millennia hidden under ice in the Rocky Mountains. A team ...

A melting ice patch in the Rocky Mountains uncovered an ... went through a warm period between the end of the last ice age, about 10,000 years ago, and the time when these whitebark pines died ...

"No one had any idea that these patches of ice had been around for thousands ... through a warm period between the end of the last ice age, about 10,000 years ago, and the time when these ...