NASA DART Mission: How to watch live as a spacecraft smashes into an asteroid Posted on September 26, 2022 By Charlielikes UPDATED: On Monday, as part of the DART mission, NASA will send a spacecraft to collide with Dimorphos, a never-before-seen asteroid. Here is how you can watch it happen live. Tech Tags:– as, ‘a, ‘to, an, asteroid, dart, how, into’, live’, mission, nasa, smashes, spacecraft, tech, technology, watch.