top news story
Milky Way map
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
Observing Highlights Sky Tour Podcast
This Week's Sky at a Glance
equipment info
Photo Gallery
Constellation of Scorpius
Photo Gallery
Here we showcase amateur astrophotos from visitors to our online photo gallery. > read more

 
community
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
interactive observing tools
Interactive Sky Chart
Almanac
Satellite Transit Tracker
Moon Phases
Scope Calculator
Mars Profiler
Jupiter's Red Spot
Moons of Jupiter Jupiter's Moons
Saturn's Moons
Uranus's Moons
Triton Tracker
Minima of Algol
SkyandTelescope.com's Free E-newsletters
Weekly Bulletin
   A roundup of the week's astronomy and sky news.
AstroAlert
   Our e-mail rapid-response system for advanced
   amateur astronomers; as events warrant.
Subscribe to Newsletters More Info
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
Emailed Articles
Meteor Showers in 2009
This Week's Sky at a Glance
Ten Great Astrophotos of 2008
Eclipses in 2009
International Year of Astronomy 2009
Sky Publishing, a New Track Media Company
Copyright © 2009 New Track Media. All rights reserved.
Sky & Telescope, Night Sky, and SkyandTelescope.com are registered trademarks of New Track Media