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

Astronomers from the University of Arizona helped detect a baby planet outside of our solar system. Specialized telescopes from Arizona and Chile contributed to the discovery.

Astronomers have discovered the raw ingredients of planets orbiting two infant stars, offering a glimpse into how new worlds ...

Webb uncovers methane on Makemake, showing the icy dwarf planet is more active than once thought - just like Pluto.

The long-standing idea of planets forming in perfectly flat, orderly discs has been challenged by new research. Instead of ...

The most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory. Far from the ...

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

A high-precision time measurement system based on the radioactive decay of manganese-53 was used to determine the precise age. This isotope was present in the early Solar System and decayed to ...