Attention aurora chasers! Powerful geomagnetic storm conditions could trigger northern lights at mid-latitudes tonight as a ...

FLORIDA — On Monday, April 8, skywatchers got to witness a rare celestial delight and something that will not be seen again over North American skies for more than 20 years: A total solar eclipse.

A “severe” solar storm is expected to reach Earth any time from late morning to Sunday evening Eastern time, according to ...

Since the corona is dimmer than the Sun's surface, it's challenging to observe. It's visible during total solar eclipses when ...

A "severe" geomagnetic storm may be brewing early next week, and many Americans across the nation – perhaps even as far as ...