This ring around the moon is called a 22-degree halo by skywatchers. The mountain below is Pikes Peak, in Colorado, the highest summit of the southern Front Range of the Rockies.
Click here for awesome photos from members of the EarthSky community of the November 11, 2019, transit of Mercury. It'll be the last Mercury transit until 2032. A huge thank you to all who submitted to EarthSky Community Photos!
NASA's Lunar Reconnaissance Orbiter has returned some amazing high-resolution photos of the surface of the moon, including these ones of steep cliffs and impact melt inside a young crater called Giordano Bruno.
The moon is big and bright nearly all night now. It'll turn full on Tuesday, just as the North Taurid meteor shower reaches a peak. The moon is a problem for meteor-watching, but this owl ... a bigger problem.
A photo of mist above an Antarctic research station. Sunlight returned to this part of the world in August, after 4 months of continuous night. Now the station is getting ready for an influx of summer visitors.
This ghostly face, captured by the Hubble Space Telescope on June 19, is actually a collision of 2 galaxies of about equal size, 704 million light-years from Earth.