Astronomy
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		AstronomyMilky Way galaxy’s dust clouds shown in 3-D map
A new three-dimensional map of interstellar dust in the Milky Way wraps 180 degrees around the sky and extends over 16,000 light-years from Earth.
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		AstronomyGalaxy seed found from 3 billion years after Big Bang
A still-growing core of a galaxy in the early universe may help astronomers understand how massive elliptical galaxies get their start.
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		Planetary ScienceMystery patch found floating on Titan’s seas
Changes on the surface of a methane lake on one of Saturn’s moons may signal the onset of summer there.
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		AstronomyRosetta spacecraft is closing in on comet 67P/C-G
The Rosetta spacecraft is still on track to pull up and park next to comet 67P/Churyumov–Gerasimenko in August.
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		CosmologyDazzle or dust?
The unpredictable glow of galactic dust could undermine the biggest cosmological discovery in years.
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		AstronomySupermassive black hole kills monster galaxy
A supermassive black hole appears to have shut down star formation in an ancient, massive galaxy.
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		AstronomyStopping starlight may bring other Earths into focus
Two new telescope concepts compete for NASA’s approval, in hopes of taking the first picture of a life-bearing exoplanet.
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		AstronomyHubble space telescope spies teenage galaxies
New Hubble telescope images show ultraviolet radiation from stars born during the universe’s adolescent phase.
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		AstronomyGalactic collision creates huge particle collider
New images reveal a jet of particles shooting out of a collision among four galaxy clusters.
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		Planetary ScienceMoon’s origins revealed in rocks’ chemistry
A new chemical measurement of rocks from Earth and from the moon supports the giant impact hypothesis, which explains how the moon formed billions of years ago.
By Meghan Rosen - 			
			
		AstronomyRevived Kepler mission bags three planet candidates
During a nine-day engineering test, the Kepler space telescope turned up three potential Jupiter-sized planets orbiting other stars.
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		AstronomyRocky, overweight planet shakes up theories
Kepler-10c is a rocky exoplanet 17 times as massive as Earth, and astronomers are puzzled as to how it formed.