Nearly 1,000 light-years from where you're sitting lies a spinning, highly magnetized neutron star that is so dense, a tablespoon of it equals something like the weight of Mount Everest. It's an ...

Space propulsion company Pulsar Fusion has started construction on a large nuclear fusion chamber in England, as it races to become the first firm to fire a nuclear fusion-powered propulsion system in ...

The sweeping beams of cosmic lighthouses called pulsars are much more energetic than previously thought, calling into question the bulbs that power them. A new analysis, from the High Energy ...

SAN JOSE, Calif.--(BUSINESS WIRE)--Momentus Inc. (NASDAQ: MNTS), a U.S. company offering satellites, satellite components, and transportation and on-orbit services, announced today that it has signed ...