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

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.

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 ...

Six planets are still aligned in London skies tonight (Sunday, January 26) and will remain so until about mid-February. So if ...

The so-called 'planetesimal belts' are filled with tiny millimeter-sized particles created by collisions between comets.

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

Denton seeks to see how the principles at play affect other Kuiper Belt objects, such as the dwarf planets Eris and Orcus and their respective moons Dysnomia and Vanth. “I’d really like to ...

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.

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 ...

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.

While Charon is currently listed as a satellite or moon by the International Astronomical Union (IAU), consideration is being given to it perhaps being classified as a dwarf planet in its own right, ...

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 ...