This sunspot was captured in microwaves, not visible light.
The Sun occasionally enters an extended period of minimum sunspot activity. Is another minimum period coming soon?
Superflares are in the news, and with it comes wild claims about their possible threat to human civilization. Let the fear-mongering begin!
The Sun is getting warmer, and on a geological scale it has dire consequences for life on Earth.
The Sun is losing mass, and at a rate fast enough that it’s forced us to change the way we measure astronomical distances.
There’s news of a large coronal hole on the Sun, which just goes to show how good astronomers are at making the mundane sound terrifying. In turns out coronal holes are neither dangerous nor uncommon, but what exactly are they?
NASA’s Solar Dynamics Observatory has been observing the Sun for five years. This is what year five looked like.
The Sun is incredibly bright, so how do we peer beyond its surface to its interior?
When you look at an image of the Sun, you might notice that it’s edge appears slightly dimmer than its center. This is an effect known as limb darkening, and its actually quite useful to astronomers.