The Moon, Venus, and Saturn are expected to briefly align into a rare formation resembling a “smiley face” this week, Nasa ...

Don't forget to look up, skywatchers! Another round of auroras is heading our way, and for the third time this month. Here's ...

A spot on the sun’s surface will likely disrupt Earth’s magnetic field, pulling the phenomenon to more states, forecasters ...

The northern lights, which can appear green, pink and blue, are the result of geomagnetic storms. The more severe the storm, ...