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Robert Hurt / Mark Reid / NRAO / AUI / NSF

News from the AAS Convention:
Milky Way Doubles Its Mass

Our Milky Way Galaxy rotates 15 percent faster and is twice as massive as formerly believed — making it an equal match for the Great Andromeda Galaxy rather than its little brother. > read more
observing
Catch Winter's Comet Lulin
A fast-moving binocular comet should peak at about 5th magnitude in February. With a modest telescope, you can pick it up now. > read more
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This Week's Sky at a Glance
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Constellation of Scorpius
Photo Gallery
Here we showcase amateur astrophotos from visitors to our online photo gallery. > read more

 
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LIFE WITH DAVID LEVY
Sky & Telescope contributing editor David H. Levy joins our cadre of bloggers. Check out what he's been up to "On the Road." > read more
 
LET'S GO STARGAZING!
Astronomy doesn’t have to be hard! Inside here are articles for stargazers of all ages — in clear, easy-to-understand language. > read more
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the top five:
Recent Articles
News from the AAS Convention:
Milky Way Doubles Its Mass
A Night to Remember
Catch Winter's Comet Lulin
This Week's Sky at a Glance
Ten Great Astrophotos of 2008
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Meteor Showers in 2009
Ten Great Astrophotos of 2008
This Week's Sky at a Glance
Eclipses in 2009
Dark Energy: Real and Overwhelming
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