Stunning view of Antarctica’s tallest volcano

Along Antarctica's Pacific coast, a chain of volcanoes jut from the ice sheet. The tallest of these is Mount Sidley. Here's a satellite view.

Venus through saguaro cactus

The brightest planet in our sky, and the largest cactus species in the U.S. Thank you, David Jamieson, for sharing your photo with EarthSky!

Have astronomers pinpointed dark matter Galaxy X?

In 2009, astronomers predicted an unseen dark-matter-dominated dwarf galaxy orbiting our Milky Way - nicknamed Galaxy X. Now they say they've found it.

When sounding rockets launch into auroras …

In late January, researchers launched sounding rockets into the northern lights. Great images and a video!

After a quick snowstorm, strong winds cleared the sky

Goshen Pond. Shamong, New Jersey. Venus (below) and Mars in the western twilight. Thanks to Samuel Markey for sharing his photo with us!

Hello, Pluto! New images from New Horizons

On Clyde Tombaugh's birthday, newly released images from New Horizons spacecraft showing Pluto and its largest moon, Charon. The craft is now on approach to Pluto!

NASA steps closer to a Europa mission

The space community is buzzing with news of positive steps toward NASA's planned mission to Jupiter's fascinating moon Europa.

Hubble captures rare triple transit of Jupiter’s moons

New images capture a rare occurrence as three of Jupiter’s largest moons - Europa, Callisto and Io - parade simultaneously across the giant planet’s banded face.

A bluebird takes a drink

A big thank you to our friend Janet Furlong for sharing her photo with us!

See it! Best pics of full moon and Jupiter

An awesome gallery of photos of Jupiter and the full moon on February 3-4, 2015. Photos by EarthSky friends. Thank you all!