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Special Report

Galileo and the International Year of Astronomy

A look at the legacy of Galileo Galilei, 400 years after the Italian astronomer turned his spyglass toward the heavens

NASA and ESA headed back to Jupiter's moons

NASA and the European Space Agency (ESA) today unveiled their joint plans for exploring the outer planets, choosing to head to Jupiter and four of its moons before further exploring the moons of Saturn...

February 18, 2009 — John Matson

From Astronomy to Zune

Scientific American astronomy expert George Musser discusses the recent meeting of the American Astronomical Society and SciAm.com 's Larry Greenemeier reports on the Consumer Electronics Show...

January 14, 2009 — Steve Mirsky
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Science or SciFi?

Science or SciFi?

Vanishing Particles. Spooky Action.