Global warming is a reality, and we're seeing it not only in the high summer temperatures but also in these weather cycles ...

Add Yahoo as a preferred source to see more of our stories on Google. This Norwegian Polar Institute image taken on June 22, 2016, shows a polar bear wandering on the thinning sea ice in the Arctic.

The Arctic region is melting faster than ever and the dire consequences are spreading worldwide, an international team of scientists warned Tuesday with the release of a closely watched annual ...

Temperatures in the Arctic last year were among the highest on record, and the region continues to see the dramatic shifts that put it at the cutting edge of climate change’s effects, according to a ...

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in ...

Arctic air is settling in behind a departing winter storm, bringing dangerously cold temperatures through much of the week. A ...

The Arctic last season was the hottest it has been in the past 125 years. The extent of sea ice during its usual maximum in March was the lowest in 47 years of satellite recordkeeping. The North ...

Warming ocean waters are encouraging more rapid production of harmful blooms. Harmful algae blooms have been rapidly producing in a place previously too cold to host the toxin: the Arctic. And climate ...

In 2006, when the US National Oceanic and Atmospheric Administration, or NOAA, released the first-ever Arctic Report Card, scientists already knew the top of the world was in trouble. It’s now much ...

For decades, the United Nations' Intergovernmental Panel on Climate Change (IPCC) has offered a snapshot of the planet's changing climate—but University of Toronto researchers have found that some of ...

An abundance of natural resources, faster trade routes and military advantages have powers around the globe vying for a slice ...

Already recognized for its excellence and even adopted for operational weather forecasting, the European Space Agency's Arctic Weather Satellite has now fulfilled its most important role. This small ...