Under the sea ice during the Arctic’s pitch-black polar night, cells power photosynthesis on the lowest light levels ever ...

Following in the footsteps of Aristotle and Galileo, NASA scientists look to take the next step in understanding auroras.

During these times, it's referred to as a polar night. The opposite, polar day, occurs when there is 24-hour daylight. A polar day is when the sun does not set and stays above the horizon for an ...

Shot in the stunning Norwegian Arctic, FOLKTALES was a project that tested us daily. With long stretches of shooting while ...

Polar air masses from Siberia are forecast to ... Temperatures on Sunday night will be in the teens across the same region. If it snows, icy spots could linger into the Monday morning commute.

RELATED: Everything you need to know about the polar vortex bringing extreme cold ... snow that will let up Sunday and return Sunday night. Barjenbruch said people working outdoors this weekend ...

but temperatures will remain below freezing through Monday night. RELATED: Everything you need to know about the polar vortex bringing extreme cold to Colorado A high of 14 was forecast Saturday ...