A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...

The object’s aphelion the farthest point on the orbit from the Sun is more than 1,600 times that of the Earth’s orbit,” said ...

Thank whoever decided to make the Dark Energy Camera Legacy Survey public for this discovery A trio of scientists have ...

It's an evocative idea that has long bedeviled scientists: a huge and mysterious planet is lurking in the darkness at the ...

The presence of water-ice in the debris disk around a young star could have helped facilitate the growth and development of ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

Asteroids are the ancient remnants of our solar system's birth, rocky fragments that never formed into planets. Most of these ...

A newly identified dwarf planet, named 2017 OF201, has been discovered in the distant outer reaches of the solar system.

which originate in the Kuiper Belt — a region of small bodies past Neptune but before the Oort cloud — and take less than 200 years to orbit the Sun. LPCs are thought to travel mostly from the outer ...

the Kuiper Belt and the Oort Cloud are the sites of complex intelligent life. The precise evolutionary route(s) from extremophilic microorganisms to intelligence, apparently bypassing ...

Some call it the Edgeworth-Kuiper Belt, the Trans-Neptunian Region, or just the Kuiper Belt. Photo Credit: NASA It is one of the largest parts of our solar system, along with the Oort Cloud and ...