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

A polar day is when the sun does not set and stays above the horizon for an extended period, while a polar night is when the sun never rises above the horizon. These phenomena are ...

A California startup wants to beam extra sunlight to Earth orbiting mirrors, but some are skeptical about whether the physics ...

Step out onto an ice floe in the middle of the Arctic Ocean, and watch and listen as scientists race the fading light to set up one of the most ambitious international climate collaborations ever, ...

A Woman in the Polar Night by Christiane Ritter, beautifully translated by Jane Degras for Pushkin Press, offers a mesmerizing glimpse into the raw beauty and unforgiving challenges of life on a ...

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 ...