The Sun unleashes a torrent of charged particles. Some of them slam into the Earth’s atmosphere, triggering breathtaking auroras in the night sky. But for equipment that’s orbiting our planet in outer ...

There is technology being perfected to make particle accelerators 100-1000 times lower cost. This would enable production of nuclear material for space propulsion that could reach up to 0.5% of light ...

Add Yahoo as a preferred source to see more of our stories on Google. As part of an effort to bring the study of space radiation in-house, SpaceX is now developing its own particle accelerator in ...