After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

This huge astrological shift is a total game-changer. Here’s how Pluto in Aquarius will affect you—for the next two decades.

than any of the planets in the outer solar system. Nevertheless, because it orbited the Sun like a planet, it was classified as a planet and named Pluto, after the god of outer darkness in Roman ...

Though technically not a planet, it has as rich geology as any of its planetary siblings in the solar system A color-enhanced photo of Pluto that was captured by the New Horizons spacecraft in ...

The solar system has nine planets, but in 2006 the International Astronomical Union declared Pluto a dwarf planet, making the ...

Sunny stuff, it ain’t. As the final planet in our solar system, Pluto is rightly linked to endings and downfall. As a master of ceremonies for death, Pluto teaches us that destruction is the ...

Scientists have been on the hunt for a possible ninth planet in our solar system for some time ... icy body similar to Earth ...

This hypothetical Neptune-sized planet would circle our Sun on a highly elongated path, far beyond Pluto. It could have a ...

Scientists recently detected carbon dioxide and hydrogen peroxide on the frozen surface of Charon, Pluto's largest moon. The researchers conducted the survey using the James Webb ...

After a year and a half of moving back and forth between Capricorn and Aquarius, Pluto makes its final entrance into boundary ...

The solar system is also home to many other cosmic bodies including asteroids, moons and dwarf planets such as Pluto. What's this? Oh noooo… Stella: You should know where all the planets are ...