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

This transit of Pluto in Aquarius will make you decide on what kind of legacy you would like to leave behind – what ...

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

When Pluto was discovered by Clyde Tombaugh in ... because it excludes exoplanets," or planets discovered beyond our solar system, Jean-Luc Margot, a planetary scientist at UCLA, told Live Science.

Since the formation of Earth approximately 4.5 billion years ago, the convection and release of hot magma in its mantle layer ...

The human family was treated to comet C/2023 A3 (Tsuchinshan-ATLAS) during October, a visitor from the outer reaches of the ...

Solar and cosmochemical data indicate high levels of carbon, nitrogen, and oxygen in the Sun. Researchers have unveiled a new ...

A Southwest Research Institute-led team combined compositional data of primitive bodies like Kuiper Belt objects, asteroids ...

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