Dart mission succeeded in altering asteroid trajectory: Nasa

Nasa says a mission to nudge a distant asteroid off course succeeded, showcasing a potential new method for saving Earth from dangerous space rocks that astronomers might identify in the future. The spacecraft, which is about the size of a refrigerator, slammed into an asteroid called Dimorphos at 14,000 miles per hour on September 26.

source https://timesofindia.indiatimes.com/world/us/nasa-spacecraft-rams-asteroid-changes-orbit-in-earth-defense-test/articleshow/94796260.cms