In an image captured by NASA's Solar Dynamics Observatory last week, the sun looks happy but the shapes on its surface could spell severe disruptions to the Earth's atmosphere Anna Lazarus Caplan is a ...

One of the observatories that are dedicated to looking at and monitoring the activity of the Sun has captured a stunning image. The image was posted to NASA's Sun-dedicated Twitter account, where the ...

The sun is shining — but is it smiling? NASA shared an image in which the star at the center of our solar system appeared to be grinning back at the planets, with three dark spots making up what ...