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Space telescope finds that thunderstorms make antimatter
NASA's Fermi Gamma-ray Space Telescope, in orbit around Earth, has discovered that thunderstorms create particles of antimatter.
January 15, 2011
Largest known black hole could swallow our solar system
The largest of the nearby galaxies, M87, now has the largest known black hole. It contains 6.6 billion times the mass of our sun and could swallow our solar system whole.
January 14, 2011
Play new NASA game: Extreme Planet Makeover
You can build your own planet, but will it support life?
January 13, 2011
Super-massive black holes began growing when universe was very young
The most massive black holes began growing at a very fast rate when the universe was only about 1.2 billion years old, according to a new study by astronomers in Tel Aviv.
January 13, 2011
See the night sky in biggest-ever image
A new image from the Sloan Digital Sky Survey consists of 1.2 trillion pixels and covers a third of the night sky. It captures half a billion individual stars and galaxies.
January 11, 2011
Hubble Space Telescope finds star formation in crazy green cloud in space
Here's the latest Hubble Space Telescope on the green cloud of gas known as Hanny’s Voorwerp. The cloud now appears to be lit up by the bright light of a nearby quasar, and shows signs of ongoing star formation.
January 10, 2011
1st solar eclipse of 2011 in photos
An amazing collection of images of the partial solar eclipse of Jan. 4, 2011 can be found at The Big Picture. The eclipse was seen in Earth's eastern hemisphere.
January 6, 2011
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
