It would be understandable if you stopped thinking as much about Pluto after it was “demoted” from being considered one of the nine planets sharing the Earth’s solar system to being classified as a ...

Scientists have called for Pluto to be classified as a planet again following a new study into planetary science. Pluto was controversially relegated to the status of “dwarf planet” in 2006 by the ...

Pluto was supposed to be a frozen, lifeless relic drifting at the edge of the solar system. But when NASA’s New Horizons probe finally arrived, it found something far stranger. Beneath the nitrogen ...

A suspected subsurface ocean on Pluto might be old and deep. New analyses of images from NASA’s New Horizons spacecraft suggest that the dwarf planet has had an underground ocean since shortly after ...

New research suggests that Pluto may have acquired its most massive moon, Charon, through an ancient grazing impact, which the science team refers to as a “kiss and capture”. The study uses computer ...

Pluto should be reclassified as a planet, according to a new research study. In a paper published in the journal Icarus, Philip Metzger, a planetary scientist at the University of Central Florida, ...

NASA’sNew Horizons spacecraft has delivered extraordinary video footage showing towering ice mountains on Pluto’s moon Nix. These ice peaks, some rising as high as 11,000 feet, are made of pure water ...

The New Horizons spacecraft will buzz Pluto and its moons in just one day — one Pluto day, that is. The icy world rotates once for every 6 days, 9 hours and 22 minutes on Earth. Starting at 10:28 p.m.

Science news from around the Web: Eris -- whose discovery in 2006 helped Pluto get demoted to a "plutoid" -- may turn out to be smaller than the former ninth planet. Space.com reports astronomers who ...