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

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

It is often remarked upon that the distribution of rings and moons around the giant planets of the Solar System – Jupiter, ...

The dwarf planet was initially believed to be at least the size of Earth, but astronomers now know that it's about 1,455 miles (2,352 kilometers) across — less than 20 percent as big as our planet.

Is there a massive undiscovered planet on the outer reaches of the Solar System? The idea has been around since before the ...

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

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.

The dwarf planets are some of the more mysterious objects in the solar system. They're smaller than our own Moon -- the largest dwarf planet, Pluto, has less than half the surface area of the Moon ...

With the new moon darkening the skies, you’ll have a rare shot at spotting the Milky Way, deep-sky galaxies, and even the ...

Newest Member Of The Solar System Just Announced – And It’s In An Extreme Orbit The object is big enough to be a new dwarf planet and challenge the Planet 9 hypothesis. Dr. Alfredo Carpineti ...

WASHINGTON (Reuters) -Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it ...