They needed some space. New research suggests Pluto may have had a “kiss” with its largest moon billions of years ago in a harmless collision. The report, published in “Nature ...

There are eight official planets (sorry, Pluto) in our solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and ...

Pluto and Charon's origin story has been rewritten by a recent study, revealing they formed from a unique "kiss and capture" ...

The Quadrantids might be one of the strongest showers this year, but poor weather could make them difficult to see.