The Planet That Keeps Shrinking plus the Weekend Wrap
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...
12 Sep 37min
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...
11 Sep 31min
Comet Births and Neptune’s Secrets
SpaceTime Series 29 Episode 109 Witnessing the birth of a comet More than 5 billion kilometres from Earth, an ancient icy object is slowly awakening as a distant frozen world known as a Centaur transf...
11 Sep 22min
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...
10 Sep 28min
The Dark Matter Hint That Could Rewrite Physics | Space Nuts: Astronomy Insights & Cosmic...
Space Nuts: Dark matter clues, Saturn’s new decagon, Mars and Titan missions. Andrew Dunkley and Professor Fred Watson cover a packed astronomy episode that moves from a tentative dark matter signal...
10 Sep 30min
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...
9 Sep 27min
Molten Planets and Solar Storms: Unveiling Cosmic Wonders
9 Sep 34min
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...
8 Sep 26min
