Alison Gibbings and Massimiliano Vasile, aerospace engineers at the University of Strathclyde, UK, new solution is a 500-kilogram swarm of fingernail-sized spacecraft would, they calculate, deflect a ...

In September 2022, a NASA spacecraft smashed into a tiny asteroid to nudge it off its orbital course. The mission was a success in testing an asteroid deflection method that may come in handy one day, ...