Polar bear encounters with people are rare, but they can happen to people who live in, work in, or visit the Arctic. Here's how to stay safe.

“From orbit: Launch was awesome!! I am feeling great, working hard, & enjoying the magnificent views, the adventure of a lifetime has begun!” NASA astronaut Mike Massimino typed those words on May 12, ...

The Nordic countries are no strangers to the long, dark winter. Despite little to no daylight — plus months of frigid temperatures — people who live in northern Europe and above the Arctic Circle have ...

I walked out onto the frozen Arctic water off Utqiagvik, Alaska, for the first time, I was mesmerized by the icescape. Piles of blue and white sea-ice rubble several feet high gave way to flat areas ...