On September 17, 2025, NASA announced that the number of exoplanets, planets outside our solar system, tracked by NASA has reached 6,000. In the three decades since the groundbreaking detection of exoplanet 51 Pegasi b, the first confirmed planet orbiting a Sun-like star, astronomers have concluded that exotic worlds are everywhere.

Small Steps, Giant Leaps

National Aeronautics and Space Administration (NASA)

6,000 Exoplanets and Counting

SEP 18, 202522 MIN
Small Steps, Giant Leaps

6,000 Exoplanets and Counting

SEP 18, 202522 MIN

Description

On September 17, 2025, NASA announced that the number of exoplanets, planets outside our solar system, tracked by NASA has reached 6,000. In the three decades since the groundbreaking detection of exoplanet 51 Pegasi b, the first confirmed planet orbiting a Sun-like star, astronomers have concluded that exotic worlds are everywhere.