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Potentially deadly solar "superflares" are far more common than previously thought, according to a new study. Unusually strong solar storms earlier this year triggered "Northern Lights" auroras at ...

A solar storm - also known as a coronal mass ejection - occurs when the Sun ejects huge quantities of protons and electrons. These then cause a plume of cosmic rays to head towards Earth.

A severe winter storm swept across the eastern US on Monday ... especially perilous in the Appalachian mountain region, where a deadly hurricane in late September devastated communities and ...

A severe winter storm swept across the eastern US on Monday with heavy snow and freezing rain causing five deaths, leaving 175,000 without power and grounding thousands of flights. Despite the storm, ...