A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the ...

Sunspot AR3229 erupted with an X2-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...

A sprawling and highly active sunspot complex is turning toward Earth just as a recent solar eruption sends a glancing blow ...

This weekend's night sky will feature one of the best meteor showers of the year on Dec. 13-14. The Geminid meteor shower ...

A sudden black hole flare unleashed stunning, near light speed winds that echo the Sun’s most powerful eruptions.

An idea about the sun’s magnetic field called the terminator model could help predict dangerous space weather more accurately ...

Astronomers have witnessed a dramatic and extremely fast outburst from a supermassive black hole in the spiral galaxy NGC 3783 ...

A never-before-seen blast from a supermassive black hole was spotted by two sophisticated X-ray space telescopes. This giant ...

The northern lights may light up the night sky early this week in the northern half of the continental U.S. Forecasters have ...

The northern lights could be visible in multiple states tonight due to a geomagnetic solar storm. Can you see them in NJ and ...

Leading X-ray space telescopes XMM-Newton and XRISM have spotted a never-seen-before blast from a supermassive black hole. In ...

More than a dozen states may have a chance to view the celestial phenomenon, according to the NOAA's forecast. The predicted ...