Doug Gottlieb opens it up and startles a bit; he apparently didn’t expect his expected visitor to be standing right there.

The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many ...

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation ...

Extensive evidence, including global temperature and sea ice data, shows Earth's climate is changing due to human activity.

Did you know the Great Lakes experience a rare winter phenomenon called ice volcanoes? These icy eruptions form when waves ...