In Roman mythology, Pluto is the god and ruler of the dead. For a return mission to the dwarf planet, Howett and her ...

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be ...

Using the James Webb Space Telescope (JWST), astronomers have observed a young brown dwarf known as Cha Hα 1. As a result, ...

Makemake, one of the most intriguing dwarf planets in our solar system, stands out for its unique characteristics. Discover ...

Ever since the International Astronomical Union recognized Haumea and Makemake as dwarf planets in 2008, University of Maine ...

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37.7 billion kilometers) away, light reflecting off Ammonite takes ...

Dwarf planets Haumea and Makemake are the latest additions to the Maine Solar System Model, billed as the largest solar ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between five and 18, plus hundreds of potentially undiscovered ones, depending on ...

There are currently no other explanations for the effects that we see, nor for the myriad other P9-induced effects we see on ...

Pluto, the largest of those dwarf planets, has a diameter of about 1,477 miles. Don't miss out on what's happening! Stay in touch with breaking news, as it happens, conveniently in your email inbox.

In 2006, the International Astronomical Union (IAU) famously demoted Pluto to a dwarf planet. Things have been a bit of a mess since then — so is it time to redefine the planet?