Northern Russians who live near the Arctic Circle had been living in winter darkness for 40 days straight until Friday, when the cold, winter sun finally rose.
Icy temperatures on the East Coast aren’t always bad. They can also lead to some fun winter activities in some of the most unlikely places.
Researchers have shown that space travel puts a powerful, dangerous squeeze on the fragile tips of optic nerves.
Niagara Falls might be giving the North Pole a run for its money this week.
In northern Chile, a short drive south from the local capital of San Pedro, you'll find one of the world’s most alluring treasures: the Atacama Salt Flats.
From ringing in the new year under arctic skies to visiting the world's coldest inhabited place, we've selected 15 places you should consider heading to this January to see the awesome aurora borealis in bloom.