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Creating a Milky Way on a supercomputer
An experiment creating the first simulation of a galaxy like the Milky Way supports the cosmological model of a cold dark matter universe.
August 30, 2011
Striking image of The Eyes of the cosmic Virgin
ESO's Very Large Telescope has taken a striking image of a beautiful yet peculiar pair of galaxies nicknamed the Eyes.
August 29, 2011
SETI searches on
The search for signals from intelligent beings beyond Earth will continue when the SETI Institute reboots its array of 42 antennas north of San Francisco.
August 28, 2011
A diamond planet? One may be orbiting a pulsar
Capturing the radio waves from a pulsar spinning at super speed, astronomers find a companion planet likely made of diamond.
August 26, 2011
Swift sees black hole devour a star
Since March 2011, astronomers have been watching a high-energy beam of X-rays streaming toward Earth. They think it's a black hole eating a star.
August 26, 2011
Colliding galaxies or cosmic exclamation point?
NASA released this composite image this week. It's two galaxies in the early stages of colliding. Learn more about the colliding galaxies here.
August 19, 2011
Webb Telescope instrument passes test to withstand space rigors
The first of four instruments for NASA's Webb Telescope has completed cryogenic testing designed to mimic the harsh conditions of outer space.
August 19, 2011
Earth’s moon might be younger than we thought
Earth's moon was thought to be 4.57 billion years old, but a detailed analysis of lunar rock indicates it might be as much as 200 million years younger.
August 18, 2011
Carbon in space tentatively identified
Astronomers may have glimpsed graphene in space, providing a clue about how our carbon-based selves and other life on Earth developed.
August 18, 2011
Necklace Nebula in new Hubble image
The Necklace Nebula is 12 trillion miles wide, located in the constellation Sagitta.
August 12, 2011
