Mike Brown: Since I've been at Caltech, one of my main areas of research has been the objects in the outer part of the solar system and Kuiper Belt objects like Pluto. And one of the largest ...

As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...

A group of astronomers from across the globe, including a team from the University of Washington and led by Queen's ...

Named 2017 OF201, the new object is roughly 700 kilometres (430 ... many hundreds of similar things on similar orbits" in the Kuiper Belt beyond Neptune, Cheng said. After taking a risk spending ...

I report new time-resolved light curves and determine the rotations and phase functions of several large Kuiper Belt objects, which includes the dwarf planet Eris (2003 UB313). Three of the new sample ...

The inner 4:3 and distant 5:2 resonances have objects with mostly moderately red colors (S similar to 15), similar to the scattered and detached disk populations. The 2:1 resonance, which is near the ...

There’s a new frozen oddball orbiting the Sun, and it’s not your average space rock. It’s a planet—a minor one, to be fair—but one of the largest yet discovered and with an orbit around the Sun that ...

At long last, particles of water–ice have been discovered in the frozen Kuiper Belt of another star. The discovery, made by the James Webb Space Telescope, is a major step forward in filling in ...

"Basically, we detected a water–ice reservoir." At long last, particles of water–ice have been discovered in the frozen Kuiper Belt of another star. The discovery, made by the James Webb Space ...