Pluto was reclassified as a dwarf planet in 2006. Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar ...

With a dedicated coloring pages for each planet in our solar system, as well as the sun and moon, these are great coloring sheets for your little astronauts or to include a science segment as part ...

At the center is the sun, a yellow dwarf star that contains 99.8% of the solar system's mass. Everything else — from the eight major planets to dwarf planets, comets, asteroids, and icy objects ...

For decades, astronomers have been aware that something just isn’t quite right about our solar system. Over the years, detections of anomalies in the orbits of distant dwarf planets and icy objects in ...

The origin of a dwarf planet living in our solar system was a subject of debate for several years among astronomers. They now seem to have settled it. Ceres, a dwarf planet in the asteroid belt ...

What is the hottest planet in the solar system? If you want to know which is the hottest star in the solar system, this article will give you the answer. Many people assume that Mercury would be the ...

Scientists believe that they've discovered a new planet which may be part of the Earth's solar system. Thanks to advancing ... in the teeth for fans of the dwarf planet that this new kid on ...

Save guides, add subjects and pick up where you left off with your BBC account. The Sun is the largest object in the Solar System and was the first to form. The huge gravitational pull of the Sun ...

Some of the strongest evidence that points to the existence of a planet within the outskirts of the solar system is the activity within the Kuiper Belt, an unusual clustering of icy bodies -- ...

The Kuiper Belt, a vast region of icy objects left over from the solar system’s formation, extends far beyond Neptune and is home to Pluto and other dwarf planets. Astronomers believe that ...

Pluto remains a fascinating and beloved part of our solar system with a slightly less glamorous title. At this moment, Pluto is still classified as a dwarf planet. Despite ongoing debate and ...