27 June 2023
Many planets are thought to be flung away from their stars, but it’s possible that some get trapped on the way out – and one could be lurking at the edge of our own solar system
22 April 2023
An abridged inventory of everything there is in the universe – from rogue planets and exomoons to supernovae, supermassive black holes and the cosmic web.
8 February 2023
Quaoar, a dwarf planet in our solar system, has a ring of debris orbiting it that is far further out than we thought the laws of physics allow
26 January 2023
The planet 8 Ursae Minoris b should have been destroyed when its star became a red giant, but it continues to orbit strangely close to it
24 November 2021
The only dwarf planet in the inner solar system, Ceres will be at its closest to Earth for a week from the end of November. Catch it while you can, says Abigail Beall
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
9 April 2020
Brown dwarfs, which are halfway between huge planets and small stars, have extremely powerful winds whipping around them at speeds of about 650 metres per second
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
28 October 2019
The best ever image of the asteroid Hygiea has revealed its shape for the first time and it looks as if it is round enough to be a tiny dwarf planet like Pluto
