From feeding polar bears to helping cool the planet, Arctic sea ice plays a vital role in the global climate and northern ecosystems. To mark Arctic Sea Ice Day on July 15, here are five key facts ...

Russia and China’s forays into the Arctic should prompt more joint training with US allies in the region. Since the end of the Cold War, Washington has generally overlooked the Arctic. However, this ...

Deep beneath the Arctic permafrost and ocean sediments, a massive reservoir of methane, often referred to as a “time bomb,” poses a significant threat to our climate. This potential for rapid release ...

Add Yahoo as a preferred source to see more of our stories on Google. With the Arctic on the front lines of climate change because of its accelerating sea ice loss, July 15 is a day for the world to ...