Each image is actually a mosaic of 25 high-resolution shots ... The four images offer a high-definition tour of the sun. First, the visible light image below depicts the star’s constantly ...

PhotoPhoto of the Sun in hydrogen-alpha light. The giant planet Jupiter, whose large moons Galileo discovered with his "trouble-making" telescope, is more than 5 times farther from the Sun than ...

Now, thanks to NASA’s NuSTAR telescope, we’ve been given a look at hidden light shows on the Sun. It shouldn’t be surprising that our star puts off more light than we are able to see with ...