Image Spectacular First Images from the Rubin Observatory Usher in a New Era of Cosmic Surveying and NEO Detection June 27, 2025 The Rubin Observatory is poised to begin contributing towards the discovery of new near-Earth objects, complementing existing surveys such as the University of Arizona’s Catalina Sky Survey. Read more
Image Once Again the Catalina Sky Survey Discovers an Earth-Impacting Asteroid Jan. 7, 2023 Catalina Sky Survey astronomer David Rankin discovers a near-Earth asteroid a few short hours before its fiery, yet harmless impact into the Earth’s atmosphere. Read more
Image Catalina Sky Survey Tops off 2021 with a Rare Bright Comet Discovery Dec. 4, 2021 Comet C/2021 A1 Leonard takes center stage in December for sky watchers across the planet. Meet the Catalina Sky Survey astronomer who discovered the comet. Read more
Image Catalina Sky Survey Posts a Phenomenal Year of Near-Earth Object Discoveries Jan. 15, 2021 In a year marked by a pandemic and raging wildfire, CSS responds with a remarkable year of discovery. Read more
Image Discover Distant Icy Worlds with the Catalina Sky Survey! Aug. 11, 2020 The Catalina Sky Survey Invites Citizen Scientists to Join in the Search of Distant Trans-Neptunian Objects. Read more
Image Catalina Sky Survey Discovers New Mini-Moon Orbiting Earth Feb. 28, 2020 For only the second time in history astronomers have discovered a second, temporarily captured mini moon. Read more
Image Catalina Sky Survey Scares-Up Tiny Earth-Grazing Halloween Asteroid Nov. 1, 2019 Catalina Sky Survey astronomer Teddy Pruyne discovers tiny asteroid, missing Earth by a cosmic whisker. Read more
Image CSS Observer Africano Discovers 2019’s Closest Earth-Grazing Asteroid April 17, 2019 On April 18, 2019 newly discovered asteroid ‘2019 GC6’ will graze by the Earth passing between the Earth and moon. Read more
Close Flyby of 2019 EA2 March 13, 2019 The house-sized asteroid – designated 2019 EA2 – will pass safely by our planet on the night of March 21-22, 2019. Read more
Image In a Record-Setting Year, Catalina Sky Survey Discovers Over 1000 Near Earth Asteroid for 2018! Jan. 13, 2019 The Catalina Sky Survey posted 1056 new near-Earth objects for 2018, the first survey to discover more than 1000 in a calendar year. The record-setting 2018 batch also pushed CSS’s historical total to over 9000 new NEOs. Read more
