Explore Worlds
Find Life
Defend Earth
Christine Gregg
Research Engineer and Principal Investigator, NASA Ames Research Center
Latest Planetary Radio Appearances
2025 NASA’s Innovative Advanced Concepts Symposium: Part 1 — Lunar glass and starshades
Planetary Radio explores visionary ideas from NASA’s Innovative Advanced Concepts Symposium. In this first of two episodes, discover how researchers are turning science fiction into reality, from glass habitats on the Moon to starshades that could reveal new Earths.