Scientists have long opposed polar geoengineering. Some now believe it will be necessary.

Their icy hunting grounds are rapidly shrinking, but polar bears in Norway's remote Svalbard archipelago have defied the odds by bulking up instead of wasting away, according to a new study said. The ...

Long ago, Costco promised to stop selling Atlantic cod for environmental reasons, but it may have found a different way to address sustainability concerns.

An increasing number of bears had been observed spending more time on land during the summer, plundering birds’ nests in west ...

Polar bears are healthier, with more fat reserves, than they were 25 years ago, despite a decrease in Arctic sea ice around Svalbard islands.

If an 800-kiloton nuclear warhead detonated above Manhattan, its centre would reach a temperature of approximately 100 million °C, or about five times the temperature of the sun's core.