
analysisJune 16, 2026
Tianwen-2: Inside China's First Asteroid Sample-Return Mission
China's Tianwen-2 reached the quasi-moon Kamoʻoalewa in June 2026 to grab an asteroid sample, return it to Earth by 2027, then chase a comet.

China's Tianwen-2 reached the quasi-moon Kamoʻoalewa in June 2026 to grab an asteroid sample, return it to Earth by 2027, then chase a comet.

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.