Chemical reactions in the Arctic atmosphere are accelerating warming and reshaping climate far beyond the polar region.

The climate is changing and nowhere is it changing faster than at Earth's poles. Researchers at Penn State have painted a comprehensive picture of the chemical processes taking place in the Arctic and ...

Rising concentrations of carbon dioxide in the upper atmosphere will change the way geomagnetic storms impact Earth, with potential implications for thousands of orbiting satellites, according to new ...

The James Webb Space Telescope has spotted something that should not survive in one of the harshest environments imaginable: ...