Learn about the recently discovered trans-Neptunian object that may eventually join Pluto as a dwarf planet, found at 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 ...

"These objects really could be anywhere in the solar system at any given time." One million alien visitors from another star system could already be lurking in the solar system. We aren't talking ...

Today, it’s believed that Jupiter and Saturn, the largest planets, were the first to fully form, both within a few million ...

Only eight planets call our solar system home. Or there might still be ... so most space scientists stand firm at either eight or nine. Such slipperiness is a universal theme in the natural ...

But this temperature is not constant throughout the solar system. So-called "empty" space — though it is not actually empty — is far colder than planets, moons or asteroids, for example ...

How our own Solar System came to be? How we could know? Telescopes, microscopes, spectrometers, and gravitational wave detectors all help to piece together the deep history of our Solar System.

Save guides, add subjects and pick up where you left off with your BBC account. The Solar System is the name given to the part of space that surrounds the Sun. Even though it is bigger than ...