Solid aerosols from the Arctic "didn't look like anything we had ever seen in the literature, in the Arctic, or anywhere else in the world."

The growing season on the tundra is starting earlier as the planet warms, but the plants aren’t sequestering more carbon, a new study finds.

Winters are getting warmer, yet Bostonians were digging out from nearly 2 feet of snow from a historic blizzard in late January. Why is the Northeast seeing more big snowstorms like this?

Winters are getting warmer, yet Bostonians were digging out from nearly 2 feet of snow from a historic blizzard in late January. Why is the Northeast seeing more big snowstorms like this?

Research in Greenland shows how the presence of caribou and muskoxen can maintain the presence of rare arctic plants.

Narwhals are facing a new enemy in the Arctic. Noise from ships, mine blasts, and seismic surveys stress them out, even when it comes from miles away.

A tale of gassy reindeer and psychedelic mushrooms.

Sea ice is thinning at an alarming rate. Snow is shifting to rain. And humans worldwide are increasingly feeling the impact of what happens in the seemingly distant Arctic.

Millions of years of natural selection have prepared reindeer for Christmas Eve.

Killer whales are spending more time lingering in parts of the Arctic Ocean that are increasingly ice-free.