We bring up this history because it is directly related to the story of Pluto. In 1846, Neptune, the fourth of the giant planets beyond the asteroid belt, was discovered—thirty times farther ...

It must have cleared all other celestial bodies, except its own moons, from its orbit.

(See what scientists say about Pluto’s status as a planet.) As early as the 1840s, a tricky calculus foretold the existence of a planet beyond the orbit of Neptune. Calculations based on Neptune ...

A new analysis has indicated that Pluto, the dwarf planet and Triton, Neptune's largest moon could be siblings and may have shared origin. According to scientists, both bodies may have emerged ...

The dwarf planet Makemake, which chills out in the deep freeze of the outer Solar System, might be home to an ice volcano 1.

Ever since William Herschel discovered Uranus in 1781, astronomers have been eager to find new planets on the outer edge of ...

The entrance of Neptune into Aries in 2025 is an instrumental part of the astrology that will define a new era.

Each planet influences culinary styles uniquely: Sun creates bold dishes, Moon offers comfort food, Mercury blends efficiency ...

Get ready, because your horoscope for the week of November 17 to 23 could very well be one of the most monumental of the year ...

Trying to understand the makeup and evolution of the solar system's Kuiper belt has kept researchers busy since it was ...

Everything you need to know for the upcoming week.