NOAA says the best viewing time is between 10 p.m. and 2 a.m. local time, when geomagnetic storm activity is expected to be ...

On Wednesday night, the northern lights once again dazzled the night sky. Tonight, parts of the U.S. have another chance to ...

This week in science: The Sun puts on a stunning light show; a winning strategy for 'rock, paper, scissors'; teaching ...

Well, they'll treasure these forever so long as you don't decide to keep them for yourself. They're that good — you've been ...

A series of three powerful flares and associated explosions of solar material out across the Solar System have set Earth ...