A new method for manufacturing lightsails that can reach up 20% of the speed of light is making the technology look more ...

Fusion has long been the propulsion end-goal for interplanetary travel, and a U.K.-based company thinks on its way to achieving that dream.

Interstellar objects are among the last unexplored classes of solar system objects, holding tantalizing information about ...

Researchers have discovered four Earth-like rocky planets orbiting Barnard’s Star using advanced telescopes. These planets ...