Engineering and Science, Volume 70:4, 2007

Table of Contents

From Rockets to Spacecraft: Making JPL a Place for Planetary Science
by Erik M. Conway
From its humble beginnings as a remote patch of the Arroyo Seco used to test rockets, JPL has grown into the leading U.S. center for robotic space exploration.

The Fall and Rise (and Fall?) of Life on Mars
by Douglas L. Smith
After decades of searching, no one's found life on Mars—or have they?

Voyager's Odyssey
by Marcus Woo
The two Voyager spacecraft transformed our view of Earth's place in the solar system, and 30 years after launch, they're still going where no one has gone before.

What Lies Beneath
by Douglas L. Smith
A self-professed Caltech "lifer," JPL Director Charles Elachi has spent 40 years using spaceborne radar to explore such exotic places as the Sahara, Venus, and Titan.

Snatching Some Sun
by Marcus Woo
A mission designed to unveil the origins of the solar system returned to Earth with a thud. Fortunately for science, however, all is not lost.

Random Walk