Beyond Neptune lies the Kuiper Belt, a vast expanse of icy bodies that may hold clues to the solar system’s formation. These ...

As the gatekeepers to the Kuiper Belt, Charon and Pluto are a unique double dwarf planet system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Eight of the 10 largest Kuiper Belt Objects have large moons like Charon ... Pluto would have raised the temperature of the the dwarf planet’s ice shell, which may have caused it to melt ...

Behind the planets in the solar system is the Kuiper Belt. An inventory of similar structures around other stars shows how unusual it is. A research team has used several telescopes to take images ...

The planet, dubbed Planet Nine, is believed to exist beyond Neptune in the Kuiper Belt. Researchers have noticed unusual gravitational effects on distant objects in this region, which may be ...

The theory could explain how the dwarf planet (yeah, we wish Pluto was still ... icy worlds in the Kuiper Belt. If you're enjoying this article, consider supporting our award-winning journalism ...

Planet X, also called Planet Nine ... miles away from the sun would explain why some objects beyond the Kuiper Belt orbit so strangely. And that day could be soon. Or not, experts told Metro.

Beautiful photos of the six planets aligned in the night sky have emerged online. Mars, Jupiter, Uranus, Neptune, Venus and ...

Pluto, considered the ninth planet in our solar system until it ... the two bodies then began orbiting each other in a cosmic dance in the Kuiper Belt beyond Neptune’s orbit.

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a subsurface ocean on the icy dwarf planet.