Pluto is 100 miles smaller than the smallest planet but is not a major planet. Here's which planet in our solar system takes the title instead.

Even the largest of telescopes show Pluto as only a tiny pinpoint of light indistinguishable from the thousands of stars behind it. (Creators.com ...

Our order of the solar system mnemonics were forever ruined when poor Pluto was unceremoniously booted out of the planetary club back in… actually, we're not telling you the year, because that's ...

Pluto is 100 miles smaller than the smallest planet but is not a major planet. Here's which planet in our solar system takes the title instead.

What Pluto can teach us about planets and our solar system : Short Wave Pluto hasn't been a planet for almost 20 years. In the early 2000s, scientists discovered several objects of a similar size ...

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 ...

The Kuiper Belt, a region of the solar system past Neptune’s orbit, is likely home to hundreds of thousands — if not millions — of icy objects that vary in shape and size.Over 2,000 trans-Neptunian ...

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. Many Americans grew up with this as the definitive planetary lineup and created clever mnemonic devices to memorize them in ...

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.

Our order of the solar system mnemonics were forever ruined when poor Pluto was unceremoniously booted out of the planetary club back in… actually, we're not telling you the year, because that's ...