This long-lost asteroid impact was so big its debris left more than 30 craters

This long-lost asteroid impact was so big its debris left more than 30 craters

What Does Musk's Tesla Roadster Look Like After Four Years in Space? We Asked an Expert. When the head of the University of Michigan's aerospace engineering program uses the phrase "debris field," it's not a great sign for the Roadster.

Head of Russian Space Program Appears to Threaten to Smash US With Space Debris