The Kuiper Belt lies billions of kilometres beyond Neptune — a vast, frozen region filled with icy worlds, dwarf planets, and ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Our understanding of the solar system is a work in progress. Pluto ...

The University of Wyoming Harry C. Vaughan Planetarium will host several live talk programs and the final “Dome After Dark” ...

Japanese researchers have used computer simulation and the orbits of several large objects past Neptune to calculate that there is Kuiper Belt planet (KBP) 1.5–3 times as massive as Earth, located at ...

A brand-new group of frozen objects, orbiting the sun out beyond the distant Kuiper Belt, has been spotted by the Subaru telescope, working with NASA's New Horizons mission to find new targets for the ...

WASHINGTON, D.C. — In the not-too-distant past, the planet Pluto was thought to be an odd bird in the outer reaches of the solar system because it has a moon, Charon, that was formed much like Earth’s ...

The dwarf planet Quaoar has a ring that is too big for its metaphorical fingers. While all other rings in the solar system lie within or near a mathematically determined distance of their parent ...

What's next? Launched in 2006 as a part of NASA's New Frontiers program, the New Horizon probe completed its primary mission with flying colors. After performing a flyby study of Pluto in 2015, New ...

Survey observations using the Subaru Telescope’s ultra-widefield prime focus camera have revealed that there may be a population of small bodies further out in the Kuiper Belt waiting to be discovered ...

the black dot on the horizontal axis is the current position of New Horizons – between the two belts. The orbits of objects to the right of New Horizons are the KBOs in the suspected second belt. New ...