14 February 2024
Earth’s mass is about 6 million million million million kilograms, say our readers – and it wouldn’t be a great idea to be in the vicinity if too much mass were added
17 January 2024
10 January 2024
The likelihood of this happening is extraordinarily low, say our readers, because interstellar space is so vast
15 December 2023
The James Webb Space Telescope has found three objects about a thousand light years away that may be the least massive brown dwarf stars ever seen – though it is unclear how they formed
12 December 2023
We thought there was no chance our world could survive the fiery death of the sun in another 5 billion years. Now sightings of strange "orphan planets" might force us to rewrite the story
21 November 2023
We keep spotting molecular “biosignatures” in the atmospheres of planets beyond Earth, but it isn't clear if any of them can provide definitive evidence that we’re not alone
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
16 October 2023
Join us on an exhilarating tour of the Milky Way’s most spectacular sights – from a monstrous black hole and a river of dark matter to a diamond planet, primordial stars and a cosmic hall of mirrors
9 October 2023
With the recent launch of the Psyche mission and the return of samples from the asteroid Bennu, asteroids are all the rage – but if they're just big rocks floating in the void, why do scientists care so much about them?
21 September 2023
Dwarf planets aren’t expected to carry liquid water, but hints of surprising geological activity spotted with JWST indicate that some of them might have buried oceans
