Just over four light-years away, the Alpha Centauri system holds the closest worlds beyond our own that might support life.

Scientists have confirmed the existence of the exoplanet Proxima b, a planet just 4.2 light-years from Earth. Given how close it is to its star, Proxima Centauri, it could have liquid water, and ...

Researchers modeled the climate of the nearest exoplanet and found the weather might be much more pleasant than nearby worlds in our own solar system. Eric Mack has been a CNET contributor since 2011.

At the end of August, a scientific team from the European Southern Observatory announced the discovery of Proxima b, the first exoplanet ever discovered around Proxima Centauri, the closest star in ...