Proxima Centauri b, a rocky world with a minimum mass of approximately 1.3 Earth masses, orbits the closest star to the Sun ...

Just over four light-years away, the Alpha Centauri system holds the closest worlds beyond our own that might support life. One, Proxima Centauri b, is a confirmed Earth-mass planet in its star's ...

Proxima Centauri b is the closest exoplanet to Earth. It is an Earth-mass world right in the habitable zone of a red dwarf star just 4 light-years from Earth. It receives about 65% of the energy Earth ...

Getting to Proxima Centauri b will take a lot of new technologies, but there are increasingly exciting reasons to do so. Both public and private efforts have started seriously looking at ways to make ...

A giant planet may be orbiting the nearest Sun-like star to Earth, and the discovery is sparking excitement across the astronomy world. Using the James Webb Space Telescope, researchers have detected ...

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 ...

European astronomers have discovered a planet with about the mass of the Earth orbiting a star in the Alpha Centauri system — the nearest to Earth. It is also the lightest exoplanet ever discovered ...

Astronomers have discovered a planet some previously thought to be impossible, orbiting an enormous and extremely hot star system. The planet, which orbits the two-star system b Centauri, is ...