At just over 4 light-years away, Proxima Centauri is home to an exoplanet that tantalizes astronomers with its potential. Could this be our next destination? Senate passes bill to stop shutdown ...
Hurt (Caltech-IPAC) illustration Scientists say they've found the nearest temperate Earth-size world to date: Gliese 12 b, a so-called exo-Venus, meaning a rocky planet outside the solar system ...