NASA's PUNCH mission, a tiny constellation of four satellites, captured a photo of the moon drifting across the sky through a haze of sunlight. The mission is still undergoing commissioning and is ...

A new 8K camera system at the Vacuum Tower Telescope in Tenerife captures images of the Sun's surface in stunning detail.

Incredible new images of the sun's surface provide an unprecedented view of sunspots and other solar activity.

A new NASA mission to map the solar wind has returned some of its first images from its position in low Earth orbit. The ...

The large golden aura is formed from the incoming light reflected off the sun-side of the occulter, a device that blocks the ...

A curious question sparked a cosmic deep dive into why light never tires—even after 25 million years on the move.

which emit less light than other areas of the sun, appear darker in images and are cooler than their surroundings. Nevertheless, sunspots are "still hotter than any oven on Earth," he added.The ...