NASA's Solar Dynamics Observatory captured sunspot AR3386 blast a long-duration X1.6-class solar flare and X1 flare. See time ...

HIP 67522 b, a Jupiter-sized planet, orbits its star in just 7 days. Its closeness disturbs the star’s magnetic field, ...

When sunspots erupt at nearly the same time, it could be something known as "sympathetic solar flares." A double eruption ...

A wildfire in a wilderness area of central California exploded in size as dry, hot weather raised the fire risk for large portions of the state ahead of the July ...

An astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the ...

Stars often whip their planets with solar winds and radiation, pull them ever closer with gravity and sear them with heat.

Galileo started this quest over 400 years ago, and scientists finally were able to peek at one of the biggest mysteries of the big star in our solar system.