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Judy Cheng: Milky Way grew from inside out
Astronomer Judy Cheng of UC Santa Cruz was part of a survey of stars called SEGUE-2 that found the inner disk of our Milky Way galaxy grew differently than the outer disk.
January 31, 2012
Sukanya Chakrabarti maps dark matter from ripples of passing satellites
Mapping the unseen dark matter halo of a galaxy, using gravitational ripples caused by passing satellite galaxies.
January 30, 2012
Dune fields on Titan, Saturn’s large moon
Scientists using radar to peer through Titan's dense clouds see vast fields of sand dunes, not unlike those on Earth. See the newest images.
January 29, 2012
Annular solar eclipse seen from space
The Hinode satellite, which has been orbiting Earth since 2006, has captured some amazing eclipse images. This one is particularly striking.
January 28, 2012
Opportunity rover marks eight-year anniversary on Mars
The Opportunity rover touched down on Mars at 5:05 a.m. UTC on January 25, 2004 for a planned three-month mission to explore the Red Planet.
January 25, 2012
Dazzling displays of northern lights seen at high latitudes January 24
Observers at high latitudes reported "incredible" displays of the northern lights during the night of January 24, 2012.
January 25, 2012
Strongest solar radiation storm in 7 years expected January 24
A powerful solar eruption has sent a massive stream of charged particles toward Earth - due January 24, 2012. Aurora alert at lower latitudes than normal!
January 23, 2012
First-ever movie of comet’s death plunge into sun
Scientists caught a comet's fiery death plunge into the sun in July 2011 on camera, and made a movie of it. Check it out!
January 22, 2012
Updated images of Eagle Nebula, aka Pillars of Creation
ESA has released updated images, at various wavelengths, of the beautiful and iconic image of M16 or the Eagle Nebula - aka the Pillars of Creation.
January 21, 2012
Sun storm to strike Earth on January 21, 2012. Aurora alert.
If your cell phone is acting up today, blame the sun. A solar flare on January 19, 2012 produced a solar storm that should strike Earth on January 21.
January 21, 2012
