Mercury makes an elusive appearance with the bright star Regulus on Sept. 2By otako_fzbgs4 / September 1, 2025 Mercury will be close to Regulus embedded among the stars of the constellation Leo. 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