"Chemical rockets that we use today, even with the extra speed boost from flying by planets, or from swinging by the sun for a boost, just don't have the ability to scale to useful interstellar speeds ...

The closest star to Earth ... dynamics from the rocket equation.” In other words, all of the work of propulsion is being done ...

Is there a launch today? Upcoming SpaceX, Blue Origin, NASA rocket launch schedule in Florida Hisdesat states the satellite includes "beam hoping and geolocation capabilities, enabling artificial ...

The fundamental challenge in reaching a different star system lies in figuring out ... time — so to get a given amount of energy from a beam, you either need very high power or you need to ...