SCIENCE The Sky Today on Thursday, June 18: The Moon and the Sickle - Astronomy Magazine Thursday, June 18, 2026 Source Summary The Sky Today on Thursday, June 18: The Moon and the Sickle Astronomy Magazine Advertisement Read Original Article → Related Dispatches [CA] · Jun 18 Summer expected to heat up starting next month [EU] · Jun 18 The ideal amount of leisure time might be less than you think; research suggests somewhere around two to five hours a day [EU] · Jun 18 Stunning Video of the Southern Lights Dancing Across the Earth Captured by a NASA Astronaut–WATCH