NASA asteroid WARNING: Major impact expected says agency boss - 'this is NOT a movie' NASA administrator Jim Bridenstine has warned people to expect a major asteroid impact in their lifetime. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Stuck in SPACE? Fears astronaut can't return to Earth after ASTONISHING growth spurtStephen Hawking: Earth will become unbearably boiling hot thanks to climate changeWhen will SpaceX launch Falcon Heavy? Elon Musk will send his Tesla car to MarsU.K. Ban on Microbeads in Personal Care Products Takes EffectSpaceX Zuma mission: Is the US spy satellite LOST? Where is Zuma spacecraft now?SpaceX Zuma Mission: What has happened to US spy satellite? Where is it now?