On the Cover: The last picture from Voyager 1's approach to Saturn in which the entire planet and ring system can be seen in a single frame. As the spacecraft moves closer to the planet, it will view successively smaller areas with increasing detail. JPL / NASA
1 Space Exploration—Is it Worth the Cost?: Bruce Murray weighs the benefits and costs of NASA.
3 The Adventure of the Planets: Carl Saganrallies for support for space exploration.
4 The Mysteries of Saturn: David Morrison anticipates Voyager's encounter with Saturn.