Astronomers using data from NASA’s Kepler Space Telescope have discovered a planet roughly twice the size of Earth orbiting a star in the low-mass binary system K2-288 (also known as EPIC 210693462, LP 413-32, NLTT 11596 and 2MASS J03414639+1816082). Dubbed K2-288Bb, the alien world could be rocky or could be a gaseous planet similar to Neptune. K2-288Bb is slightly smaller than Neptune. Image credit: NASA’s Goddard Space Flight Center / Francis...