The Antarctic ozone hole usually starts forming in early August, but rare warming events and a strangely elongated polar vortex this year may have delayed its arrival. Sudden and rare warming ...

Complicating matters even further, companies that produce heart rate monitors also have higher thresholds for each zone. For example, Polar's zone 2 is up to 70% of maximum heart rate, while the ...

Researchers working in Finland propose that the unique light environment of the Earth's polar regions creates conditions that result in circumpolar hybrid zones around the North and the South Poles.

Ukrainian polar explorers showed "deserted and mystical" night-time landscapes in Antarctica. They say that this is a rare phenomenon when the sky above the Vernadsky station is not covered with ...

Researchers working in Finland propose that the unique light environment of the Earth's Polar regions creates conditions that result in circumpolar hybrid zones around the North and the South Poles.