Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

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

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have ...

Webb has captured a frigid exoplanet in a wildly tilted orbit, revealing a system shaped by past planetary violence and ...

In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

The universe is a complete unknown to humans. We are not yet able to control and understand the system in which Earth is located, as evidenced by the possible discovery made by a g ...

But the heavenly body – possibly a dwarf planet à la Pluto ... taking it beyond our solar system. The new object, named 2017 OF201, was discovered by researchers in an astronomical image ...

So many unexplored secrets still lie at the outskirts of our solar system, where a potential candidate for a new ... Planets Located? Composite image showing the five dwarf planets recognized by the ...

A composite image comparing the relative sizes of our solar system's known dwarf planets, including the newly discovered 2017 ... Advanced Study in Princeton, New Jersey, said in a statement.