Space Exploration; NASA; Galaxies; Space Telescopes; Extrasolar Planets; Space Missions; Astronomy; Mercury

The official number of exoplanets — planets outside our solar system — tracked by NASA has reached 6,000. Confirmed planets are added to the count on a rolling basis by scientists from around the world, so no single planet is considered the 6,000th entry. The number is monitored by NASA’sContinue Reading