The controversy endures over Pluto's true status, but the solar system underdog continues to capture hearts across the globe.

Because Uranus ... Pluto is a member—they’re mostly made of refractory materials, meaning they’re “ice poor.” So, where ...

Feb. 18 marks the 95th anniversary of the discovery of our outermost planet-not-planet. Here's what to know about the short ...

Earth's oceans are mysterious, largely unexplored places, but the enormous oceans of Neptune and Uranus have them beat.

Small, cold, and absurdly far away, Pluto has ... the orbit of Neptune. Calculations based on Neptune’s mass suggested that the ice giant’s orbit, and that of its neighbor Uranus, didn ...

In the early hours of Saturday, June 17, 2023 an alignment of Saturn, Neptune, Jupiter, Uranus and Mercury will be visible in the eastern night sky. All five planets will be spread out along the ...

Its existence was predicted as astronomers searched for a "Planet X" to explain irregularities in Neptune and Uranus' orbits. At the time, Pluto was assumed to be a planet due to its orbit around ...

Scientists at NASA for the first time have been able to observe the make up of Pluto ... than Neptune’s orbit. NASA says their paths reflect the migration of the ice giants Uranus and Neptune ...

Like planets, asteroids are mostly made of rock and metal and they orbit the Sun ... beyond the orbits of Uranus and Neptune. Pluto was previously classed as the ninth planet from 1930 to 2006 ...