SpaceX is no longer content to just launch hardware into orbit; it now wants to recreate key parts of the space environment in its own lab. By building a proton particle accelerator, the company is ...

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 ...