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Near-Earth asteroid spotted by amateurs
In this post, learn about the first near-Earth asteroid by amateur astronomers. The amateurs spotted the asteroid - named 2011 SF108 - in September 2011
October 13, 2011
Hubble Space Telescope takes a census of dark matter
A Hubble survey of galaxy clusters shows MACS 1206, whose dark matter warps distant light rays.
October 13, 2011
James Webb Space Telescope model in Baltimore
A 12,000-pound James Webb Space Telescope model visits the Maryland Science Center in Baltimore's Inner Harbor. Read more about it here.
October 13, 2011
Moon map reveals titanium treasure troves
Color variations on the moon reveal the presence of titanium and suggest how the lunar surface weathered. Learn more about the moon map here.
October 12, 2011
Uranus knocked sideways by series of small bumps?
Conventional wisdom said a single blow caused Uranus to lie sideways in the plane of the solar system. But maybe the cause was several small bumps instead.
October 10, 2011
Exoplanets found in old Hubble data
Using data from 1998, astronomers have found two previously unknown planets orbiting distant suns. How many more exoplanets lie hidden in old data?
October 9, 2011
October 2011 Draconid meteor shower a winner!
Despite a bright moon, many people saw a good display of meteors in the Draconid meteor shower. Good job Canadian astronomer, Paul Wiegert!
October 9, 2011
Dramatic Draconid meteor shower for October 8, 2011?
The prediction for October 8 Draconid meteor storm favors all of Europe, North Africa, and the Middle East. A bright moon will interfere.
October 8, 2011
Saturn’s largest moon in a color map
Scientists piece together six years of images from the Cassini mission to create a mosaic of the surface of Titan -- Saturn's largest moon.
October 5, 2011
ALMA telescope outperforms with release of first image
Astronomers capture a test image with the ALMA telescope, showing the Antennae Galaxies in wavelengths roughly one thousand times longer than visible light.
October 3, 2011
