This illustration depicts a binary star system consisting of a dense neutron star and a normal Sun-like ... times smaller than the Sun-like star—warps our view of the sky around it, producing ...

Another in a series of unusually strong solar storms hitting Earth produced stunning skies full of pinks, purples, greens and blues farther south than normal, including into parts of Germany ...

NOAA's Friday forecast shows continued higher-than-normal activity, but the chances for another overnight show are slim farther south of Canada and the northern Plains states. The sun sends more ...