Watch an asteroid the size of the Washington Monument zoom past Earth live on Sept. 18 (video)By otako_fzbgs4 / September 17, 2025 Watch live as a potentially hazardous asteroid makes a close flyby of Earth on Sept. 18. Related posts: Catch solar bursts in new citizen science project Sped-up simulation of Hera’s Mars flyby Hera asteroid mission’s Mars flyby Watch live: Images from Hera’s Mars flyby
