Our solar system may have a ninth planet after all, following the declassification of Pluto nearly two decades ago, ...

At the center is the sun, a yellow dwarf star that contains 99.8% of the solar system's mass. Everything else — from the eight major planets to dwarf planets, comets, asteroids, and icy objects ...

A screenshot of James’s animation “Planets and dwarf planets to scale in size, rotation speed & axial tilt in distance order from Sun”. Credit must be given to the creator. Only ...

Pluto is undoubtedly the most famous of all the dwarf planets, because it was once considered part of the main lineup of planets in our solar system. But there are… ...

A blue atmosphere, smooth areas, and youthful mountain ranges - this dwarf planet is full of surprises. When NASA's New Horizons probe flew past Pluto in July 2015, the images it returned astonished ...

His adventures searching for the mysterious dwarf planets continue ... on lockdown as police deal with barricaded man: ‘Lock all doors and hide’ Musk's SpaceX receives multibillion-dollar ...

They lie about 250 astronomical units from a third brown dwarf ... “We reviewed all possible scenarios, and the only one consistent with the data is if a planet is on a polar orbit about ...