6,000 exoplanets! NASA announced on September 17, 2025, that its tally of planets outside our solar system has reached 6,000. That’s why there is a long list of candidates in the NASA Exoplanet Archive (hosted by NExScI) waiting to be confirmed. NASA has confirmed 6,000 exoplanets! Bottom line: NASA announced this week that it has confirmed a tally of 6,000 exoplanets, or worlds orbiting distant stars.