Many readers will doubtless be astonished to learn that animals were being fired aloft in U.S. and Soviet research rockets in the late 1940s...

Near the end of the Apollo 15 mission, David Scott and fellow moonwalker James Irwin conducted a secret ceremony unsanctioned by NASA: t...

This book celebrates Christa McAuliffe's life and legacy, recounting her efforts as a teacher and astronaut, and considering the impact of h...