Laser sail propulsion is an idea that won't go away. By aiming powerful Earth-based lasers at tiny spacecraft with light sails, tiny spacecraft can be accelerated to near-relativistic speeds without ...

Astronomers believe they have discovered a new world orbiting Proxima Centauri. Proxima Centauri is the closest star to our Solar System. It's located roughly 4 light-years away. As such, it has long ...

Alpha Centauri, one of the two "Pointer Stars" that help stargazers find the Southern Cross in the Southern Hemisphere, may have a planet in orbit around it. If it does, the Webb Telescope will find ...

Astronomers are finding new exoplanets nearly every day. But this particular answer probably won’t change, because astronomers have already found two planets orbiting Proxima Centauri, the closest ...