Purposefully sinking boreal trees could help lock away carbon for millennia or longer, but the audacious plan comes with ...

A population of bears in Norway’s Arctic is confounding scientists’ expectations, getting fatter and healthier even as the sea ice melts rapidly.

The Arctic is not just getting warmer. It is starting to behave in new manners in ways that are dangerous for nature. For ...

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

Earlier research has shown that the Arctic is warming significantly faster than the rest of the planet, leading to reductions ...

Trump’s anti-climate policies have already been damaging to the Arctic and global climate protection. Now his deeply ...

An unusually brutal winter storm is set to pummel more than 160 million Americans from Friday, as a stretched "polar vortex" sends a devastating blast of Arctic air, bringing heavy snows and freezing ...

In 2006, scientists released the first version of the Arctic Report Card, now a staple at the Fall Meeting of the American ...

When ConocoPhillips won federal approval last year to explore for oil in the Alaskan Arctic, environmental groups warned the ...

In the tropics, the border between troposphere and stratosphere—the tropopause—sits at around 20km, far above any normal ...

Organic matter carried in rivers to the Russian part of the Arctic Ocean may be creating more clouds and keeping the region ...

To understand what Americans are experiencing with this winter blast, we need to look more than 20 miles above the surface of ...