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

A recently discovered celestial body is rewriting our knowledge of the Kuiper Belt and maybe challenging the existence of the ...

The TNO, which are described as minor planets that orbit the sun at a greater distance than Neptune, were found on the edge ...

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 as it travels on a highly ...

A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

Since its discovery in 1930, Pluto was well-known as the ninth planet in the solar system, far beyond Neptune ... declared that the faraway orb was a dwarf planet due to its location, known ...

The International Astronomical Union reclassified Pluto as a dwarf planet because it does not ... with its icy surface and distant orbit beyond Neptune. But in 2006, Pluto’s planetary reign ...

After several months, he successfully located a round, rocky object beyond Uranus that he ... Regardless of whether Pluto is a planet or a dwarf planet, it remains a fascinating part of the ...

When Pluto was discovered by Clyde Tombaugh ... it was deemed large enough to be considered a planet. You may like New dwarf planet discovered beyond the orbit of Neptune Vesta, the 2nd-largest ...

So, after the discovery of similar worlds deeper in the Kuiper Belt, which is a doughnut-shaped region of icy objects beyond Neptune, Pluto was reclassified as a dwarf planet in 2006.

and even astrobiology—the search for life beyond our planet. “All the planets in our solar system are dynamically dominant, but other objects—including dwarf planets like Pluto and asteroids ...