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.

Some Arctic regions will see more rain than snow decades earlier than previously thought, say scientists.

A closer look at how ice cover changed through the months offers some important insights into the role of climate change and why every year isn’t a record.

Promoting dialogue among Arctic states and peoples has been a great success, but the council must now adapt to tackle new and emerging challenges in this fragile region.

Sealing is a more complicated issue than successful protests against it would suggest.

How do organisms survive extreme conditions – and how can their adaptations help us develop better technology?

A particularly stormy winter has pushed perennial sea ice into the Arctic melt zone.