The endless dance of Jupiter and its moons

These little moons move continuously around Jupiter. Their pattern with respect to each other and the giant planet constantly changes.

Long Night Moon of December 16

Daylight is fleeting in the Northern Hemisphere now, but the December 16 full moon helps light up the long, dark night.

Geminid meteor and Nova Centauri

A shooting star and a "new" star, or nova. The shooting star is space dust. And the nova is an explosion on an old star. Check out this photo by Colin Legg of Australia.

Murmuration, Venus, in day’s last light

A flock of starlings is known as a “chattering,” “clattering,” “cloud,” “congregation,” or “murmuration.”

Cloud towers, seen from above

Satellite view of mushrooming thunderheads over the Indonesian island of Flores.

Coldest place in the universe

The ghostly Boomerang Nebula, coldest known place in the universe, reveals its true shape in this image from the giant ALMA radio telescope.

Frigid sunrise

Brrrr! Sunrise over a frozen marsh in Birch Bay, Washington.

Snow geese in front of the moon

Snow geese flying in front of the moon at sunset

Last night’s moon with Venus

People around the world saw the moon and Venus last night. They'll be even closer tonight!

Crescent moon with earthshine

The young moon is back after sunset, passing near Venus in the next few evenings. The pale glow on the darkened portion of the moon is called "earthshine."

EarthSky Newsletter

Nearly half a million daily subscribers love our newsletter. What are you waiting for? Sign up today!

Join now to receive free daily science news delivered straight to your email.