For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Renowned astrophysicist Neil deGrasse Tyson has inspired many with his insights into the universe. For those looking to ...

Given just how big space is, the solar system seems like it shouldn't be too mysterious. But there are actually plenty of ...

The James Webb Space Telescope (JWST) has discovered that a hazy sky over frozen Pluto is helping to cool the dwarf planet's ...

New James Webb Space Telescope data reveal Pluto's high-altitude haze is a key driver of the climate on the dwarf planet, ...

Many people hold Pluto close in their hearts and refuse to abandon the assertion that it is a planet, although science ...

Computer simulations show that planets could be flung out of the inner solar system, supporting the possible existence of a ...