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

Researchers now propose these mysteries may indicate the presence of an undiscovered Earth-like planet. The Kuiper Belt begins at about 50 astronomical units (au) from the Sun, stretching far ...

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 ...

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 ...

we wish Pluto was still a planet, too) could snare a moon that is around half its size. The team behind this research thinks that two frigid worlds located in the Kuiper Belt, a ring of icy bodies ...

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 ...

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 ...