Today is International Asteroid Day! Find out what happens underground when a gigantic asteroid hits Earth with hyper-velocity. #KnownUniverse | National Geographic TV

NASA Says It’s Too Late to Stop This Asteroid… But Is That True? NASA claims it’s too late to deflect asteroid 2024 YR4—but is that really the case? Movies like Armageddon and Deep Impact made asteroid deflection look simple, but in reality, stopping a space rock hurtling toward Earth is far more complicated. In this video, we break down NASA’s statement, explore real planetary defense strategies like the DART mission, and ask the big question: Could we actually stop a last-minute asteroid? | Al