NASA's Lucy will visit 8 asteroids over 12 years, covering 6.3 billion km to study Jupiter's Trojan swarms — 4-billion-year-old fossils from planet formation.
NASA's DART spacecraft slammed into asteroid Dimorphos at 22,530 km/h in 2022 and shifted its orbit by 33 minutes — proving planetary defense actually works.
NASA's OSIRIS-REx returned 121.6 grams of asteroid Bennu to Earth in 2023. What scientists found inside — amino acids, water-bearing minerals, and solar system origins.
NASA's Psyche spacecraft launched in Oct 2023 for asteroid 16 Psyche — a metal world that may be a dead planet's core. Hall-effect thrusters, arrival in 2029, and the science.
