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A Trojan asteroid for Earth?
Astronomers have discovered the first known Trojan asteroid orbiting the sun along with Earth.
July 29, 2011
The end of the universe in simulations
Researchers at the University of Maryland just tried to simulate the the Big Crunch - the end of the universe. Who knew all you needed was gold and plastic?
July 29, 2011
New nebula discovered by amateur
An amateur astronomer from Austria helping with the Kepler search for planets like Earth finds a beautiful nebula -- Kronberger 61.
July 26, 2011
Mystery moon domes found on far side
Mysterious volcanic domes - rich in silica - have been found on the far side of the moon. Their origin remains enigmatic. Read more about mystery moon domes.
July 26, 2011
Final photo of Atlantis in space: End of an era
On July 21, just 21 minutes before Atlantis' final deorbit burn, astrophotographer Thierry Legault captured this image of the shuttle crossing in front of the sun.
July 25, 2011
Largest, oldest mass of water in universe around a black hole
The cloud of water vapor - 140 trillion times more water than in Earth's oceans - is 12 billion light-years away and surrounds the black hole of quasar.
July 25, 2011
Exoplanet aurora is out of this world
An exoplanet like a hot Jupiter, orbiting close to its sun, would likely have an aurora up to 1,000 times brighter than one on Earth. Read more on exoplanet aurora.
July 22, 2011
See the space shuttle in photos from final flight
Photos from STS-135, the historic final flight in NASA's space shuttle program.
July 21, 2011
Bonnie Dunbar on the end of the space shuttle era
Astronaut and engineer Bonnie Dunbar, who made five shuttle flights and helped build NASA’s shuttle program, reflects on the end of an era.
July 21, 2011
Hubble Space Telescope discovers fourth moon of Pluto
As the Hubble Space Telescope worked to support NASA's New Horizons mission to Pluto, it also found a fourth moon for the dwarf planet, scientists announced today.
July 20, 2011
