Add Yahoo as a preferred source to see more of our stories on Google. Two image still of the solar flares erupting from the surface of the sun. large bright eruptions are visible blasting off from the ...

Add Yahoo as a preferred source to see more of our stories on Google. An image of the sun showing a large bright white spot on its bottom-right. A massive sunspot on the sun's surface just left us ...

Sunspots are the most striking phenomenon of the solar magnetic field. After the invention of the telescope early in the 17th century, the Italian astronomer Galileo Galilei was the first to routinely ...

The most active sunspot of Solar Cycle 25, AR3663, has done it again! Launching yet another X-class solar flare as it approaches the sun 's western limb. And it's not alone; its sunspot 'cousin' ...