Interstellar Comet 3I/ATLAS Formed in Cold Environment
Astronomers tracking interstellar comet 3I/ATLAS have revealed that the rare visitor formed in a cold environment far outside our solar system.
Asteroid Terrestrial-impact Last Alert System
Asteroid 2024 YR4 Triggers First-Ever UN Planetary Defense Notification
Asteroid 2024 YR4 crossed a 1 percent impact probability threshold on January 27, 2025, prompting the International Asteroid Warning Network to issue its first-ever formal…