Sunspots captured astronomers' interest, and with the expanding availability and quality of telescopes, were closely tracked until 1645. Despite huge interest in them, astronomers could find no ...

Proba-3's mission will continuously measure the Sun’s energy output, enhancing climate research with precise solar data.

NOAA's new Compact Coronagraph, CCOR-1, onboard the GOES-19 satellite, has begun transmitting its first images, revealing ...

The Beaver Moon will mark the fourth supermoon we've seen in a row in 2024, and it will appear big and bright in the sky.

The northern lights may put on a dazzling display over the next couple of years as the sun enters its solar maximum, a period ...

People in the northernmost states may have a chance to see auroras glowing in the northern sky tonight.

The sun ejected a sizable solar flare earlier in the week and it's going to cause the northern lights to stretch down into ...

So, how does the sun influence a phenomenon best seen when it's nowhere to be found? It all involves solar flares, geomagnetic storms and some pretty cool interactions in Earth's atmosphere. Here's ...

The full moon this week will be a spectacular Beaver Supermoon—the last in a series of four supermoons this year. Here's how ...

This is what our planet would be like if it was tidally locked to the Sun. How would your life be different on this Earth?

A new moon occurs when the moon is directly between Earth and the sun, with its shadowed side pointing towards us. You can see a new moon when it crosses the face of the sun during a solar eclipse.