NASA's Discovery Program gives scientists the opportunity to dig deep into their imaginations and find innovative ways to unlock the mysteries of the solar system. It represents a breakthrough in the way NASA explores space, with lower-cost, highly focused planetary science investigations designed to enhance our understanding of the solar system. All completed Discovery missions have achieved ground-breaking science within strict cost and schedule limitations, each taking a unique approach to space exploration.
The mission of the Explorers Program is to provide frequent flight opportunities for world-class scientific investigations from space utilizing innovative, streamlined and efficient management approaches within the following space science themes:
Astronomical Search for Origins and Planetary Systems
Structure and Evolution of the Universe
The Sun-Earth Connection