Comet 67P's BoulderComet 67P's BoulderMysteryscientists probe the reasons.A boulder on comet 67P moves;Earth and Planetary AstrophysicsThe Mystery of Comet 67P's Wandering BoulderA 30-meter boulder on comet 67P moves unexpectedly, revealing comet behavior.2025-05-05T02:02:40+00:00 ― 5 min read