The category "dwarf planet" was created in 2006 to make room for the many large bodies being discovered on the outer reaches of the solar system. Here's a tour of the five currently recognized ...

Comet or asteroid heading for the Sun is only the third time an interstellar object has been spotted inside our group of ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

A dwarf planet beyond Neptune has a mysterious ring that astronomers can't explain. By Tereza Pultarova published 8 February 23 A mini-planet orbiting in the frigid outer reaches of the solar ...

How frequently does a traveler from another star system sweep through our galactic neighborhood, and astronomers rush to the telescope? Not until recently was the answer: hardly ever. In fewer than ...

Seven Earth-sized planets, some of which fall within the Goldilocks zone and could harbour life, have been discovered orbiting a dwarf star in our own galactic neighbourhood.

When you buy through links on our articles, Future and its syndication partners may earn a commission. The discovery of dwarf planet 2017 OF201 hints at a 'population behind it with hundreds of ...

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 ...

A new definition of "planet" may recategorize many dwarf planets and moons as planets. You may be familiar with our solar system's eight planets — Mercury, Venus, Earth, Mars, Jupiter, Saturn ...

Like other icy planetesimals in the Kuiper Belt, 2007 OR10 takes a wild ride around our solar system. A year on this dwarf planet candidate lasts 550 Earth years and takes it almost as close to ...

The dwarf planet is one of the fastest spinning objects in the solar system and is covered in crystallized water. Due to its fast spin, Haumea is shaped like an elongated potato or a deflated ...

A newly found object may set a new record for the most distant dwarf planet in the solar system.. The object, called V774104, lies about nine and a half billion miles from the sun, or two to three ...