The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's ...

Hubble's latest observations show Uranus' moons behaving in ways scientists didn't expect, revealing surprising clues about ...

Astronomers expected to see radiation-blasted scars on the sides of Uranus’ biggest moons that trail one after the other in orbit. Instead, they found darker patches on the moon faces that plow ...