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

Recent observations of the Kuiper Belt have revealed anomalies that suggest the presence of an undiscovered Neptune-sized ...

Astrophotographers and stargazers are in for a treat this week as Saturn and Neptune reach their brightest in days. According ...

An exoplanet orbiting a dwarf star 124 light-years from Earth made headlines around the world in April 2025. Researchers at ...

Mathematicians calculated where the planet might be based on its effects on Uranus, and astronomers searched for less than an ...

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

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

Artist’s concept of a Neptune-sized planet, left, around a blue, A-type star. UC Berkeley astronomers have discovered a hard-to-find gas giant around one of these bright, but short-lived, stars, right ...

September 10 has long been a date marked by significant moments that have shaped history across the world.

PRINCETON, N.J. (CNN/CNN Newsource/WKRC) — A new planet was possibly discovered beyond the planet Neptune. Researchers from the Institute for Advanced Study's School of Natural Sciences have announced ...

Among the most famous images taken by the Voyager spacecraft are those of Uranus and Neptune. When you think of these planets, you’re likely imagining them based on the images taken by Voyager 2 in ...