Green Valley's Molly Sheridan completed seven marathons on seven continents in seven days this past February. That included ...

Green Valley's Molly Sheridan completed seven marathons on seven continents in seven days this past February. That included ...

In the stratosphere over Siberia, temperatures recently jumped nearly 100 degrees Fahrenheit, shoving the polar vortex off its North Pole perch.

It was true. We had been flying over Greenland (total population: 57,000) for approximately 25 minutes and had not seen a ...

South Korea is exploring the potential of the Arctic shipping routes, particularly the Northern Sea Route, which is expected ...

Galileo started this quest over 400 years ago, and scientists finally were able to peek at one of the biggest mysteries of ...

A patch of the Atlantic Ocean just south of Greenland is cooling while much of the world warms. The origin of this "cold blob ...

The Fairbanks North Star Borough Assembly approved a $40,000 appropriations request on Thursday from the mayor’s office to go out to bid for a software service that could track vacation ...

Antarctic sea ice extent has fallen dramatically in recent years – the effects include accelerated ocean warming, faster loss ...

The largest tract of public land in the United States is a wild expanse of tundra and wetlands stretching across nearly 23 million acres of northern Alaska. It's called the National Petroleum Reserve ...

A study published Monday in the Proceedings of the National Academy of Sciences found that increases in salinity in seawater near the surface could help explain some of the decrease in Antarctic sea ...

A young Alaskan's unexpected cancer diagnosis reveals how Medicaid helped save her life — and why looming federal cuts could ...