An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse ...

Scientists have discovered a giant planet orbiting a tiny red dwarf star, something they believed wasn t even possible. The ...

The James Webb Space Telescope has observed two large planets at different stages of infancy - one with an atmosphere ...

With its low density and unusually cool, methane-rich atmosphere, this planet offers a rare window into giant planet ...

The Atacama Large Millimeter/submillimeter Array (ALMA) has uncovered a key piece of the puzzle in how rocky planets, such as ...

How big it is: 865,000 miles (1.392 million kilometers) across How far away it is: 93 million miles (150 million km) What ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Space artists can sometimes stretch scientific data for a bigger visual bang. At New York's natural history museum, they ...