A Galaxy’s Ghostly Shells
The ghostly shells of galaxy ESO 381-12 are captured here in a new image from the NASA/ESA Hubble Space Telescope, set against a backdrop of distant…
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Youthful Compact Galaxies Age Prematurely
Researchers using NASA’s Hubble Space Telescope and Chandra X-ray Observatory have uncovered young, massive, compact galaxies whose raucous star-making parties are ending early. The firestorm of…
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A Spiral Bridge of Young Stars Between Two Ancient Galaxies
Astronomers routinely use the crisp view of NASA’s Hubble Space Telescope to study all kinds of intricate details in galaxy clusters. By now you would think…
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Star-City Leaks as It Plunges Through the Norma Galaxy Cluster
Our spiral-shaped Milky Way galaxy lives in a comparatively quiet backwater region of the universe. This is not the case for galaxies crammed together inside huge…
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Mega Galaxy Merger Spotted by Herschel Space Telescope
A massive and rare merging of two galaxies has been spotted in images taken by the Herschel space observatory, a European Space Agency mission with important…
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WISE Mission Sees Skies Ablaze With Blazars
Astronomers are actively hunting a class of supermassive black holes throughout the universe called blazars thanks to data collected by NASA’s Wide-field Infrared Survey Explorer (WISE).…
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Supernova Explosions and Black Hole Jets Scatter a Galaxy’s Star-Making Gas
Supernova explosions and the jets of a monstrous black hole are scattering a galaxy’s star-making gas like a cosmic leaf blower, a new study finds. The…
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