In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...

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

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 ...

and Vesta as full-fledged members of our planetary system. Today, when tens of thousands of minor planets have been discovered (most residing in an "asteroid belt" between Mars and Pluto), not ...

Charon is half the size of Pluto. The satellite is the closest in size to its parent of all the moon-planet pairs in our solar system. The moon is so hefty that it influences Pluto’s spin.

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 ...

Are there hidden planets in our solar system? New technologies, like the powerful Rubin Observatory, brings us closer to ...

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

HOWETT: Triton's located one billion miles from Pluto. So how did that happen? NARRATOR: Neptune might be the farthest planet from the sun, but it's not the edge of our solar system. Not even close.

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

When you buy through links on our articles, Future and its syndication ... voted on the definition of a planet. Famously, Pluto no longer met the criteria and was demoted to a dwarf planet.

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