Watch a colossal X-class solar flare erupt from Earth-facing sunspot (video)
An X-flare erupted from the sun at 10:33 p.m. EDT on July 28 (0233 GMT July 29). Watch the action unfold here.
An X-flare erupted from the sun at 10:33 p.m. EDT on July 28 (0233 GMT July 29). Watch the action unfold here.