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 ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Eric's career includes extensive work in both public and corporate accounting with ...

Above: A Von Karman vortex street downwind of the Canary Island chain in the eastern Atlantic Ocean off the coast of Africa on Feb. 27, 2015. Image credit: NASA Worldview. Editor's note: Meteorologist ...