Armageddon time! How NASA plans to defend Earth from an asteroid

AUSTIN (KXAN) — This week, NASA is preparing to prevent the apocalypse. The space agency's DART Mission, which will launch a rocket into an asteroid, will serve as practice for when we inevitably have to prevent one of these cosmic rocks from colliding with the planet and wiping out the human race. Do we really need to prepare for an asteroid impact?"Dinosaurs are definitely a sign that sort of stuff could happen," said Moriba Jah, Ph.D., a professor at the University of Texas and co-found