Season 5
Half the Neutron Stars
Today's episode — S05E191, Friday September 11, 2026: Main story: A population-synthesis study published in Nature Astronomy on 10 September argues that magnetars make up roughly half of all neutron s...
A Hundred and Nine Flashes
Today's episode — S05E190, Thursday September 10, 2026: Main story: 109 fast radio bursts have been used to measure how much galactic feedback has smoothed out the matter in the universe. A fast radio...
The Smallest Things Remember
Everything beyond Neptune is a leftover. The icy bodies of the Kuiper Belt never got assembled into a planet, and out there — dark, cold and empty enough that things mostly leave each other alone — th...
The Moon in Five Hours
For fifty years the story has been that the Moon assembled slowly out of a disc of debris. New simulations from Southwest Research Institute add one thing everybody left out — the strength of rock — a...