A wave of competitors dropping out of the Yukon Arctic Ultra this week might be frustrating for racers and organizers, but it ...

It's been an extremely mild January and that could mean crusty, icy conditions on the trail this year. One researcher says that will be an increasing problem, as climate change intensifies.

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Observed at 00:00, Wednesday 5 February BBC Weather in association with MeteoGroup, external All times are Central Standard Time (America/Chicago, GMT-6) unless otherwise stated.

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The Yukon has a subarctic climate. The average temperature remains above 10°C for only four months of the year. The average temperature in July, the warmest month, is about 14°C. Long winters ...

Here's a list of things that can stop working in cold weather ...