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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.
February 7, 2015
When sounding rockets launch into auroras …
In late January, researchers launched sounding rockets into the northern lights. Great images and a video!
February 6, 2015
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!
February 5, 2015
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.
February 5, 2015
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.
February 5, 2015
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!
February 4, 2015
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!
February 3, 2015
Video: Cool movie of close-passing asteroid 2004 BL86
Asteroid 2004 BL86 and its newly discovered moon passed only 745,000 miles (1.2 million km) from Earth last week. Did you see the still photos? Now see the movie ...
January 31, 2015
Astronomers discover oldest known Earth-sized planets yet
When our sun and planets were born, the Kepler-444 system was already older than our solar system is now.
January 29, 2015
Flowing water on Vesta?
Who knew asteroids could have flowing water? They are so small, airless and cold that the idea seems surprising, to say the least. The latest evidence, here.
January 29, 2015
