Northern lights could be visible in Alaska and Canada on July 23. Northern parts of the contiguous U.S. have a lower shot at seeing aurora borealis.

Thursday night has a chance at seeing northern lights over parts of the country and Oklahoma. Here's how to see them tonight.

The Northern Lights May Dazzle Across 14 States Tonight—Are You in One of Them? Here's when to see the dazzling display.

In Canada’s Northern Outposts, Rusting Relics Once Guarded Against Nuclear War Strings of radars stretching across Canada were built to give early warnings of Soviet bombers coming over the Arctic.

Well, the the important part is what scientists found in the teeth:the oldest surviving proteins every discovered.

Climate and environment updates: Wildfires are threatening forests' role as carbon absorbers Wildfires significantly reduced the ability of forests to absorb carbon dioxide.