For centuries, space travel has been limited by traditional propulsion methods, with chemical rockets remaining the primary ...

Lightsails operate by harnessing radiation pressure from a light source, such as the Sun or lasers, to propel a spacecraft.

Caltech scientists are developing laser-driven lightsails that could push spacecraft beyond our solar system. Their research ...

Scientists at the California Institute of Technology have taken a major step toward developing lightsails that could one day ...