Hello, world? Can I come out of hibernation yet? Folks in the central and eastern United States who've endured weeks of bitter cold and snow are wondering: Is winter over? Will the polar vortex come ...

This swirling mass of air above the Arctic can grow and bend, pushing blasts of frigid air south. Sea smoke, the result of extremely cold air blowing over warmer water, rises from Lake Michigan in ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In 1851 Scottish civil engineer John ...

Updates from your News topics will appear in My News and in a collection on the News homepage. Polar bears on Norwegian islands fatter and healthier despite ice loss, scientists say ...