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

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 ...

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

Pluto was once known as the ninth planet but was reclassified after scientists set clear criteria for planets. The key factor ...

The caldera may have blasted out its cryomagma in a single explosive event, or it may have spread its eruptions over time.

New data from the James Webb telescope reveals that Pluto's strange atmospheric haze controls its climate, surprising ...

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

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...

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

Astronomers have discovered a possible new dwarf planet orbiting far beyond Pluto. First detected in March 2023 by Japan's Subaru Telescope in Hawaii, this object has been dubbed 2023 KQ14 and ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

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