Nasa Dart spacecraft: Mission to smack Dimorphos asteroid launches
A spacecraft has started its journey as it aims to deliberately nudge an asteroid off course.
www.bbc.co.uk
Science fiction may be about to become science fact.
In the Bruce Willis film Armageddon, Bruce and his team landed on a asteroid and destroyed the asteroid with with a nuke before it hit Earth.
Reality is not quite a exciting as the film, but if this works, we will have a genuine planetary defence system and hopefully won't suffer the same fate as the dinosaurs. That's pretty good, isn't it?