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

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 ...

A newly discovered dwarf planet called 'Ammonite' (2023 KQ14) has been spotted in the outer solar system, and it could be another nail in the coffin for the Planet Nine hypothesis.

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 ...

A bizarre planet defies cosmic norms: scientists have confirmed a giant planet orbiting in reverse around one star in a close ...

An international team led by the Universities of Geneva (UNIGE) and Montreal published the first results today from the NIRPS ...

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

Astronomers have discovered a new exoplanet that may be habitable 35 light-years from Earth. Named L 98-59 f, it joins four ...

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

The James Webb Space Telescope has detected a possible gas giant the size of Saturn in the stellar system nearest our own ...

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 ...

“Since the flyby, we have basically rewritten the textbooks.” New Horizons revealed a lively dwarf planet with traveling glaciers, ice volcanoes, an odd atmosphere and more.