The moon will appear to take a "bite" out of the sun during a deep partial solar eclipse on Sept. 21.

Partial eclipses often happen multiple times per year and are more common than total eclipses. The most recent partial solar ...

Solar activity has been on an overall decline since the ‘80s and scientists were expecting us to plunge into a historic low ...

The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

After solar activity spent several decades on the decrease, the number of sunspots, flares and coronal mass ejections is once ...