A new framework urges leaders to see the world as PLUTO: polarized, liquid, unilateral, tense and omnirelational, and to ...

How many dwarf planets are there in our solar system? The recent discovery of 2017 OF201 makes the tally anywhere between ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

In the outer reaches of our solar system, far beyond the orbit of Pluto, lies Sedna, one of the most mysterious objects ever ...

How long does it take Pluto to orbit the sun? Learn more about how this planet makes one lap around our Solar System.

A star with a mass similar to our Sun passing within 10,000 astronomical units could disturb Oort Cloud, which is located far beyond Pluto and marks the outer edge of solar system.

A recent study indicates a small chance that Earth could be ejected from our solar system due to passing stars. Simulations suggest these stellar enco ...

Pluto was turning out to be not just a frozen ball, but a body much more complex than most scientists had suspected. By that time, a revolution was under way that would reshape astronomers ...

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is half Pluto’s, ...

The new object could also challenge the hypothesis that there's a "Planet X" or "Planet Nine" beyond Pluto, with gravity affecting dwarf planets and other objects in the Kuiper Belt.

Tech News : Elon Musk, under the username "Kekius Maximus," has joined William Shatner in advocating for Pluto's reclassification as a planet. Shatner playfully s ...

At this moment, Pluto is still classified as a dwarf planet. Despite ongoing debate and public support for its reinstatement, the International Astronomical Union has not changed its 2006 decision.