Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have discovered a new planet in our solar system. advertisement.

There is always the option to drop a small black hole into Pluto or shrink the solar system around it. Those may be tougher to accomplish, but our hosts are up to the challenge.

Though Pluto has formally been considered a dwarf planet for almost two decades, it still has many lessons left for planetary scientists — including hints about how the solar system formed.

This is what Pluto does the only known object the solar system, where haze, not gas molecules, plays a key role in climate. Back in 2017, astronomer Xi Zhang from the University of California ...

Astronomers have discovered a mysterious dwarf planet, 2017 OF201, far beyond Pluto. This discovery challenges existing theories and could alter solar system’s map.

A 9th planet in our solar system might be found — and no, it’s not Pluto. Is there another planet out there? Researchers say they have hints of a new candidate ...

An illustrated diagram of the sun and the planets of the solar system. (Image credit: SCIEPRO via Getty Images) Researchers discovered the 12 potential massive objects around 60 AU from the sun ...

Learn about the Solar System with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

Earth has a newly-discovered neighbor in the solar system.. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

A recent research paper suggests that a planet may exist far beyond Neptune — less than 20 years after the previous ninth planet, Pluto, was demoted. That research paper, accepted last month for ...