The Arctic Sun has long since dipped below the horizon, plunging the world into 24 hours of darkness. The region stretching across northern Norway is a vital indicator of the health of our planet.

GENEVA — The world is expected to experience more record temperatures over the next five years, with Arctic warming predicted at more than three times the global average, a new report by the U.N.

An international team of scientists said it's found a link between the melting of Arctic sea ice and weather in far-flung parts of the planet. Weather teleconnections are one way climate scientists ...

The Arctic has long filled humans with awe, but there are now profoundly worrying signals coming from the frozen landscape at the top of our planet, and scientists are deeply concerned about its ...

The Arctic is changing fast — and Swedish photographer Christian Åslund has the picture evidence to prove it. In a powerful photo project, Åslund retraced the steps of early 20th-century explorers in ...

Moonshot proposals to save the planet’s ice sheets, including giant underwater sea curtains and refreezing Arctic ice, are gaining popularity as the planet heats up. But none of the most high-profile ...

Shifts in Earth’s climate and ecosystems will have untold consequences for billions of people across the world.