On the Cover: In what part of our galaxy will we first detect other forms of life? Simple logic dictates that starrier regions will have more planets, thus more possibilities. But who knows? The answer may lie in the wilderness of a nebula. John Gleason captured this image of the Orion nebula in October 1998 from the Sierra Nevada mountains in northern California.
8 Life From Space? Testing Panspermia With Martian Meteorite ALH84001: Benjamin Weiss and Joseph Kirschvink explains how a meteorite from Mars now plays a key role in the possible story about life transfer between Earth and Mars.
20 The Next Generation of Mars Explorers—Introduction the Red Rover Goes to Mars Team: Rachel Zimmerman introduces us to the winners of this international student contest!
3 Members' Dialogue Save Pluto Express?
17 World Watch NASA outlines a new Mars Exploration Program.
18 Q&A Can you aerobrake at Jupiter?
22 Society News The Planetary Society's International Space University Scholarship.