Some states in the northern U.S. could have a chance to see the northern lights on Monday, with quieter auroral activity ...

Forecasters said a recent coronal mass ejection and high-speed winds from a spot on the sun’s surface may disrupt Earth’s ...

President Trump has repeatedly described the U.S.-Canada border as an "artificially drawn line." But experts say just because ...

House Joint Resolution 11, which would be sent to President Donald Trump, Canadian Prime Minister Mark Carney and other top ...

A collection of photographs of the people and landscapes along a rough trail into Alaska's interior, taken nearly 125 years ...