The James Webb Space Telescope has directly observed the key chemical of carbon dioxide in planets outside of our solar ...

A peculiar exoplanet named Enaiposha challenges our understanding of celestial bodies, blending traits of mini-Neptunes and ...

"We can see, for the first time, rings of dust surrounding protoplanets made visible by the bright starlight reflecting off ...

Astronomers have discovered the smallest dwarf galaxy ever seen. It is a mystery how the satellite galaxy of Andromeda ...

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some ...

Exciting new research suggests there are four miniature planets orbiting Barnard’s Star, each thought to be just 20 to 30% ...

Helix Nebula’s X-ray emissions linked to planetary destruction White dwarf WD 2226-210 may be accreting planetary debris Researchers suggest a Jupiter-like planet was torn apart ...

The dividing line between gas giant planets and failed stars is blurry at best. The isolated planetary-mass object SIMP J013656.5+093347.3 could be either one. The distinction is largely semantic.

This finding is a milestone in exo-meteorology ... number of scientists have determined it to be a brown dwarf—too big to qualify as a planet but too little to support nuclear fusion like ...