US President Donald Trump said last month that the US wanted to seize control of mineral-rich Greenland for “national security reasons”. The threat comes as reduced ice cover opens the potential for ...

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

There's a confounding dilemma for many folks trying to make sense of winter weather in the context of climate change.

Warm Arctic waters and cold continental land are combining to stretch the dreaded polar vortex in a way that will send much of the United States a devastating dose of winter weather later this week.

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 ...

Beluga whales can disappear beneath Arctic sea ice for long stretches, which makes them far tougher to follow than many other ...