Meteorologists warn that a stretched polar vortex could bring severe winter weather to much of the United States ...

Arctic air may cause some ice crystals to form in ocean water, creating pockets of "slurpee" waves washing ashore. Here's ...

Scientists discover a tipping point that took place in 2000, where El Niño’s effect on sea ice loss in Siberia was amplified.

Rising Arctic temperatures and melting sea ice could be causing cold air to flow into the Northern Hemisphere. But not all ...

When it comes to global warming and climate change, we often hear news stories about tipping points where Earth's systems shift into a new and dangerous state. One such may have been reached in the ...

Cold fronts are not created equally - some are weak and other are very strong. This is what to look for so you can determine ...

From thunder ice to Arctic blast, here’s a glossary for all the non-meteorologists and hype wary.

Cold fronts are not created equally — some are weak and others are very strong. Here are the factors that can determine the strength.

The jet stream, a warming Arctic, and loads of atmospheric moisture have contributed to an epic storm impacting 230 million ...