kuiper belt

Scientists think they found evidence of a hidden planet beyond Neptune and they are calling it Planet Y

A planet more massive than Mercury could be lurking beyond the orbit of Pluto.

Pluto’s Moon Charon Just Got More Fascinating After JWST Finds Carbon Dioxide

Pluto's moon just keeps getting more and more interesting.

Focusing on Arrokoth promises to reveal the Kuiper Belt's secrets

The results from New Horizon's New Year's Day Flyby of Kuiper Belt Object Arrokoth are in, and it could just change how we think about planet formation.

Arrokoth, the 'Space Snowman', sheds new light on how the solar system formed

The study of the Kuiper Belt body Arrokoth promises to change how we believe the building blocks of planets form. Thus revealing more about how planets such as the Earth are born.

How Japanese astronomers discovered the most distant object in the Kuiper Belt with a $3,000 telescope

This is a real victory for little projects.

New Horizons wakes up for its most remote target yet -- Ultima Thule

Boldly waking up where nobody has gone before.

"Exiled" asteroid shouldn't be where it is

How did it get there?

NASA's New Horizons probe snaps farthest image from Earth

There's a man-made shuttle at the edge of the solar system, taking photos. It's mind bending.

Pluto - now in color, courtesy of New Horizon

These two dim dots are none other than Pluto, the dwarf plant, and Charon, its largest moon. Though it might not look like much, this is the first ever colored photograph of the two cosmic bodies ever taken. We have NASA’s New Horizons spacecraft to thank for this, which used its Ralph color imager to make the shot from 71 million miles away.