Our Sun contains 99.8% of the Solar System's mass, but gets lighter every day. When enough time goes by, its changes will render Earth uninhabitable. Here's how it's changing.

A survey of more than 56,000 sun-like stars reveals that “superflares” that could play havoc with electronics on Earth may happen every 100 to 200 years and the last big one to hit us was in 1859 ...

The sun will reach solar maximum, or a peak in activity across its 11-year cycle, about a year sooner than originally predicted. Auroras, solar flares and space weather are all expected to increase.

The post Sun unhappy in new close-up captured by spaceship appeared first on Talker ... The image produced combines 200 individual images into the widest high-resolution view of the Sun yet.

The sun undergoes such a reversal every 11 years, ... However, there is another very important yet lesser-known cycle that spans two 11-year solar cycles, known as the Hale cycle.

Yet, there is more to learn about the sun's rotation. Primarily, how different it is from the rotation of our planet. Is the sun's rotation different?

“Superflares on sun-like stars are much more frequent than we thought before, roughly once per one or two centuries,” says Usoskin. “If we believe that this projection to the sun is correct ...