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Supernovae keep galaxies churning  A new study led by Fan Yi Meng from Tsinghua University provides the first comprehensive census of superbubbles in the Andromeda Galaxy, revealing that clustered sup...

SHOW NOTES Black hole jets follow one universal rule Adelle Goodwin (Curtin University / ICRAR, Forrest Research Foundation Fellow) and Andrew Mummery (Institute for Advanced Study, Princeton) show th...

Astronomers have confirmed the youngest planet ever found - Elias 2-24 b, less than a million years old, sitting inside a gap it is carving in its own birth disc 450 light-years away. Plus: the Lunar ...

First starlight from Roman, a shorter fuse on the Solar System, weapons in orbit, and a globular cluster hiding behind the dust Roman opens its eye — and finds it has twice as long to look NASA has ac...

An Australian-led team has rebuilt thirty years of supernova observations into one consistent catalogue — and it adds fresh weight to the idea that dark energy is not constant. We also ask whether the...

Today's episode — The Weekend Wrap, Saturday 12 September 2026: OUR LEAD: A SMALLER MERCURY Mercury has been contracting for four and a half billion years as its huge iron core cools, and it writes th...

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...

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...

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...

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...