The official number of exoplanets—planets outside our solar system—tracked by NASA has reached 6,000. Confirmed planets are ...

A new program has discovered chaos in a nearby planetary system, which could explain the existence of a phenomenon ...

Mainstream theories suggest that ultra-short period planets did not start in their current positions but migrated from ...

Pluto's unusual eccentricity and tilt is likely due to its interactions with neighboring Neptune and other giant planets, ...

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

The orbits of a seven-planet system discovered in Kepler Space Telescope data has been sonified. Credit: Bishop’s University / Jason Rowe / NASA Ames Research Center ...

The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

The Kuiper Belt is loosely defined as a doughnut-shaped swath of space beginning just beyond the orbit of Neptune and ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in ...

By 2015, NASA announced that Kepler had discovered its 1,000th exoplanet. 2016 was a banner year for exoplanet detections with nearly 1,500 in that year alone. The total number reached 5,000 in March ...

Astronomers were fascinated after spotting an object from interstellar space hurtling through the solar system earlier this ...

This week, a rare planet parade featuring Venus, Jupiter, Saturn, Uranus, and Neptune will light up the early morning sky. A ...