According to the folks at NASA, it’s official. Astronomers have now discovered over 6,000 exoplanets – planets orbiting stars other than the Sun. The race is still on to find an Earth 2.0 – a planet similar in size to the Earth, within the habitable zone, with an atmosphere, and with liquid water. We’re getting closer, but we’re not quite there yet.
- “NASA Exoplanet Exploration, Planets Beyond Our Solar System.” NASA.
- “Discoveries Dashboard, Latest Discoveries from NASA’s Exoplanet Archives.” NASA.
- “Warm welcome: finding habitable planets.” NASA Exoplanet Exploration, Planets Beyond Our Solar System.
- “Jet Propulsion Laboratory. “NASA’s Tally of Planets Outside Our Solar System Reaches 6,000.” NASA. September 17, 2025.
- EarthSky Voices. “The tally is in! 6,000 exoplanets now confirmed.” EarthSky. September 18, 2025.
- Bruce Dorminey. “NASA’s Extrasolar Planet Tally Officially Hits The 6,000 Mark.” Forbes. September 18, 2025.
- Evan Gough. “It’s Official. We Now Know Of 6,000 Confirmed Exoplanets.” Universe Today. September 18, 2025.
- Monisha Ravisetti. “We’ve officially found 6,000 exoplanets, NASA says: ‘We’re entering the next great chapter of exploration’.” Space.com. September 17, 2025.
- Sarah Lewin Frasier. “Astronomers’ Exoplanet Haul Tops 6,000 Alien Worlds.” Scientific American. September 19, 2025.
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