An artist's depiction of Proxima b: the closest Earth-size exoplanet that orbits a star in the habitable zone. Photo: Planetary Habitability Laboratory/University of Puerto Rico at Arecibo
Mission to Alpha Centauri could explore potentially habitable world on the way

Astronomers announce discovery of an Earth-like and potentially habitable world that's a trillion miles closer than their destination

25 Aug 2016 - 2:52PM