Get started on a journey of discovery and wonder! Astro for Kids » Intro to the Sky » Urban Skies » Equipment » Glossary » Iron 'snow' helps maintain Mercury's magnetic field Researchers are closer to understanding how planetary cores evolve. Recent Articles Satellite captures cyclone damage 05/07/2008 A cosmic spider web is unraveled 05/06/2008 Chasing the green flash 05/06/2008 More news » News Feed | What is RSS? Arizona Sky Village Senior Editor Michael Bakich takes you on a tour of a stargazer's paradise in the American Southwest. Video categories Product showcase Astronomy update How to Trips and tours See more videos » The Lake County Astronomical Society recognizes Shutan 05/08/2008 11:11 AM There’s a recession? 04/26/2008 11:00 AM Education at NEAIC 04/25/2008 11:00 AM Astronomy magazine podcast: Warren Faidley Warren Faidley previews his article in the upcoming Extreme Weather, a special issue from the publishers of Astronomy. Listen Subscribe to podcast » Podcast archive » Astronomy magazine subscribers have exclusive access to this premium content and more. Share your opinions and images or get advice from other Astronomy.com members. Go » If you are an American citizen, how important are the candidates' visions for space exploration when you vote for president? If a candidate doesn't promote a vision for space exploration, he/she won't receive my vote. I want to hear the candidates' views, but other issues are of greater interest to me. No concern at all.    Show Results » Customer service » Letter to the editor » Submit a group or event »