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

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

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

In a new study published in the journal Research Notes of the American Astronomical Society, astronomers report the discovery ...

Astronomers might be close to confirming the presence of an Earth-like atmosphere on an exoplanet for the first time, ...

"The complexity of the exo-Neptunian landscape provides offers a unique window onto the processes involved in the formation ...

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