In this video, we take you on a journey to the Pleistocene Epoch, a time when Earth looked vastly different from today.

This is a repost from the archives, an older post by Henrik which has been updated to reflect more recent findings. Did you know there are 255 volcanoes or volcanic features listed in the US?

Domestic migration has changed over the past 10 years, as Americans chase better jobs, cheaper housing and a greater quality ...

Additional rounds of heavy rains lasting into Tuesday could produce more dangerous flooding, especially in places already ...