Strip away Antarctica’s ice and the familiar white disc at the bottom of the map dissolves into something far stranger: a ...

Scientists have detected a narrow structure of hot plasma extending from the Local Hot Bubble surrounding the Sun toward ...

ESA images show a large meteoroid strike on Apollinaris Mons, leaving more than 100 mysterious moving dust marks on Mars.

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A research team led by Prof. Liu Liangyun from the Aerospace Information Research Institute of the Chinese Academy of ...

JACKSONVILLE, Fla. – Fall is almost over and winter is right around the corner! Sunday marks the first day of winter, which coincides with the winter solstice. What exactly is a solstice, and does ...

When is winter? Weather forecasters in the Northern Hemisphere will tell you Dec. 1 through the end of February, which is known as meteorological winter. But based on Earth's tilt and orbit around the ...

Up to 15 U.S. states could see the aurora on New Year's Eve, according to the Space Weather Prediction Center.

Yes the darkest day of the year is here, but that means brighter days are ahead. Sunday is the shortest day of the year north of the equator, where the solstice marks the start of astronomical winter.

This winter is predicted to be a particularly good one for spotting the green-hued celestial clouds in the night skies of the Northern Hemisphere. Here are six unique ways to gaze at the Aurora ...