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Star with zirconium clouds discovered
Astronomers have found a star rich in zirconium, the material used to make a substitute for diamonds. The star is called LS IV-14 116. It is 2,000 light years from Earth.
January 5, 2011
Supernova discovered by 10-year old
A 10-year-old girl, Kathryn Aurora Gray, has discovered a supernova. Girls rule!
January 4, 2011
How do spiral galaxies keep their shape?
Astronomers think they've discovered why a galaxy's spiral arms wind up tightly around the galaxy's core as the system rotates. Read more on spiral galaxies.
January 4, 2011
Oldest object known yet in the universe
The oldest object in the universe discovered thus far is a very small galaxy created over 13 billion years ago.
December 27, 2010
Saturn’s moons Dione and Enceladus in stunning images
The Cassini spacecraft finished its four-year mission to explore Saturn and its rings and moons in June 2008. But it is still sending back images of Saturn's moons.
December 21, 2010
Daytime moon from December 18, 2010
This image is from EarthSky Facebook friend Brian Pate. It's yesterday's daytime moon. Look for the moon in the daytime this afternoon, too ...
December 19, 2010
Illumination map highlights craters on moon in permanent shadow
Some craters near the moon's poles never see sunlight. Now 1,700 photos from the have been combined to show the moon's darkest places in the "illumination map".
December 16, 2010
Planet Hunters invite users to search for alien worlds
The Planet Hunters website invites users to search for alien worlds.
December 16, 2010
Life’s building blocks in impossible place, plus a whalloping meteorite tale
Since it crashed to Earth over two years ago, an object called 2008 TC3 has fascinated scientists. Now it appears this object contains amino acids, the building blocks of life.
December 15, 2010
Ice volcanoes on Saturn’s moon Titan likely
Ice volcanoes on Saturn's moon Titan likely, say scientists who announced their findings at the fall meeting of the American Geophysical Union in San Francisco.
December 14, 2010
