Changes in Earth's tilt relative to the sun have governed the movements of giant ice sheets over the past 800,000 years, triggering the start and end of eight ice ages, new research suggests. The new ...

There have been 40 to 50 ice ages in Norway in the past 2.6 million years, researcher Jan Mangerud recently told Science Norway. During the ice ages, Norway was covered by huge glaciers. It would not ...

Hundreds of millions of Americans are presently besieged by a massive arctic blast and winter storm. Luckily for them, it will only be temporary. That wasn't the case 20,000 years ago... Between ...