Las Vegas morning moon

Have you been enjoying the daytime moon? Bettina Berg captured a grackle in front of the moon in Las Vegas, Nevada.

Lightning across the solar system

Lightning is beautiful and powerful on our own planet. Here's what's being discovered about lightning on other worlds, via NASA ScienceCasts.

Old photos provide clues about a planet with giant rings

Photographic plates going back to 1890 are providing new clues as to whether a distant exoplanet has a giant ring system, more than 100 times wider than Saturn's.

Mars Express eyes a curious cloud

The long, thin, white cloud has been seen extending west of a Martian volcano since September 13. It looks as if it could be volcanic, yet it isn't. Here's what's going on.

Airglow over Alberta, Canada

Green waves of airglow over Alberta, Canada.

Moon near Aldebaran and Pleiades October 26

Despite the lunar glare, you still might see Aldebaran, the constellation Taurus’ brightest star, and the Pleiades star cluster near the moon

Eruption of the world’s deepest undersea volcano

A research team has documented a volcanic eruption in the western Pacific Ocean that's deeper below the ocean surface than Mount Rainier’s height above sea level.

See it! Hunter’s Moon 2018

Photos from the EarthSky Community of the glorious full Hunter's Moon in the October night sky. Thanks to all who submitted!

Baby stars blow bubbles in Cat’s Paw nebula

In the star-forming Cat's Paw nebula, baby stars heat up the gas surrounding them. The gas then expands to form bubbles in the nebula.

This planetary nebula has 2 ultra-close stars at its heart

A planetary nebula isn't related to planets. It's an old star, sloughing off its outer layers. Now astronomers have spied 2 ultra-close stars at a planetary nebula's heart. The pair orbits in only 3 hours!