21 June 2021
Huge swathes of Pluto’s surface are covered in a mysterious red material, and planetary scientists’ best guess for what it could be doesn’t seem to match up to data from the New Horizons probe
30 June 2020
Pluto has one very large moon, Charon, and four tiny ones, leaving astronomers confused as to how they formed. The answer may be that the quartet used to be part of Charon, not Pluto
30 March 2020
Pluto’s ancient oceans may have come about just after the icy world was born, melting from ice in a process that suggests the dwarf planet took just 30,000 years to form
5 February 2020
Every day on Pluto, nitrogen puffs out the icy world’s heart-shaped plain into the atmosphere, and every night it refreezes, creating winds unlike any we’ve seen before
23 October 2019
Designating rocks just a few kilometres across as moons is misleading and ridiculous. We need to do a Pluto and cut moons down to size, argues Leah Crane
18 January 2019
The last 10 years have seen amazing advances in science and technology – and stark damage to the world we live in. Like a lot of people on social media we thought we'd take a look back at the last ten years in science and New Scientist
12 November 2018
Next to Pluto’s heart-shaped plains are strange rolling hills unlike anything we’ve seen on Earth, and they may be left over from receding ancient glaciers
27 March 2018
The surface of Sputnik Planitia, part of a heart-shaped plain on Pluto, has no craters at all. They may have been filled in by soft, flowing nitrogen ice
15 November 2017
Pluto is far from the sun, so astronomers expect its atmosphere to be cold, but it's colder than predicted. Now we know that soot sends the sun’s heat back into space
20 October 2017
Something strange is happening on dwarf planets Eris and Makemake. They’re tiny and cold, but they still show surprising signs of geologic activity, like real planets
