Spectacular mammatus clouds - and a rainbow - provide a backdrop for this beautiful and unusual graduation photo. Congratulations, Cheyann!

Imanda viewed the annular eclipse of June 21, 2020, as it developed over Syokimau, Kenya.

Here are 2 beautiful images of the very old moon - a waning crescent seen in the east shortly before sunrise - near the brightest planet, Venus.

Masses of dusty air form over the Sahara Desert and move westward across the tropical North Atlantic frequently from spring to fall. A particularly large swath of dust is headed our way now. Watch for hazy skies in the Caribbean by this weekend, and possibly into the U.S. by next week.

A bright meteor is called a fireball. This one creates a backdrop to clouds of smoke from an actual fire that - as of Saturday - had burned some 9,000 acres and was only 10% contained, according to Inciweb.

This faint comet - Comet C/2019 U6 (Lemmon) - is headed toward its perihelion, or closest point to the sun, on June 18. It's currently visible from the Southern Hemisphere, via strong binoculars, with a dark sky.

Photos - taken through telescopes, or with other optical aid - from the EarthSky community. The brightest planet Venus is now in a thin crescent phase as viewed from Earth. Venus will go between us and the sun on June 3.

NASA’s AIM spacecraft spotted wisps of the 2020 season's 1st noctilucent, or night-shining, clouds over the Arctic on May 17.

The young moon returned to the evening sky this weekend, to sweep past the bright planets Venus and Mercury.

Markarian's Chain forms part of the Virgo galaxy cluster. When viewed from Earth, the galaxies lie along a smoothly curved line. Armenian astronomer Benjamin Markarian discovered these galaxies' common motion in the early 1960s. American astronomer Fred Espenak captured this image.