Early Detection Triggers Global Response On December 27, 2024, astronomers at the Asteroid Terrestrial-impact Last Alert System (ATLAS) in Río Hurtado, Chile, made a discovery that sent ripples through the scientific community. A newly identified asteroid, 2024 YR4, measuring between 40 and 100 meters (131–328 feet) in diameter, has been classified as a Level 3 threat on the … [Read more...] about Global Planetary Defense Protocols Now Active Following “Potentially Hazardous” Asteroid Discovery