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!

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.

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!

Absolutely awesome images of comet lander Philae

ESA hopes communications with the Philae comet lander can be regained by May or June. Wait you're waiting, check out these stunning newly released images!

Long-necked dinosaur roamed China 160 million years ago

Scientists report on the discovery in China of a new species of dinosaur - calling Qijianglong - a creature that was "half neck."

Video: What would happen if humans suddenly disappeared?

What would happen to our planet if all us humans - for some reason - suddenly vanished? Here's AsapSCIENCE's take on it.

New study helps sort out Easter Island mystery

What caused the collapse of Easter Island's Rapa Nui society? Was it environmental degradation or the arrival of Europeans? New research suggests it was a combination of factors.