A lone man walks across an expanse of ice; a mottled tundra; desert badlands. The single human figure becomes a focal point ...

The dramatic shift is a warning sign—and scientists say the changes that aren't yet visible to the naked eye are just as ...

America’s northernmost state is the perfect front-row seat to the aurora borealis—and this winter will be an extra special ...

The hardy Arctic fox spends its winters hunting alone across the frigid landscape. But these little foxes mate for life, and when spring arrives, it’s time to go home and reunite with their mate. A ...