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Pluto may have captured its moon Charon with a brief kiss

6 January 2025

Simulations suggest Pluto and its largest moon may have gently stuck together for a few hours before Charon settled into a stable orbit around the dwarf planet

Planet 10 times the size of Earth is one of the youngest ever found

20 November 2024

A large planet has been spotted orbiting a dwarf star that is just 3 million years old, offering possible clues to how the worlds in our solar system came into being

Huge asteroid impact may have knocked over Jupiter's largest moon

3 September 2024

Ganymede, the largest moon in the solar system, has signs of an enormous ancient impact that would have redistributed its mass, changing its orientation in relation to Jupiter

JWST found rogue worlds that blur the line between stars and planets

27 August 2024

The James Webb Space Telescope has spotted six strange worlds the size of planets that formed like stars – and the smallest may be building its own miniature solar system

Earth-like exoplanet found just 40 light years away – the closest yet

23 May 2024

A nearby planet named Gliese 12 b has an estimated surface temperature of 42°C (108°F), making it a promising candidate for liquid water and maybe life

Billions of stars have swallowed up a planet

20 March 2024

Twin stars that were born together should have the same composition, and the fact that many don’t suggests they have changed their chemistry by devouring planets

Weird white dwarf star has a metal scar after eating a planet

26 February 2024

Astronomers have spotted a white dwarf star with a patch of metal near one of its magnetic poles, which probably formed when the star devoured a small planet

Planets' lucky escapes may have simpler explanation

17 January 2024

Can we smash together all of the asteroids to build a new planet?

7 November 2023

The asteroid belt is messy and sometimes a threat to our solar system’s planets, so on this episode of Dead Planets Society it’s time to tidy it up into a single asteroid world

Could we tweak the solar system to make Pluto a planet again?

12 September 2023

Pluto officially lost its planethood in 2006, and this episode of Dead Planets Society is all about bringing it back by making it bigger, faster and better than ever