Sperm's evolutionary origins go back before multicellular animals 24. November 2025 (13:00) Analysis of the DNA and proteins of a range of animals has revealed that sperm’s molecular toolkit arose in our single-celled ancestors, perhaps more than a billion years ago(New Scientist)
COP30 keeps climate cooperation alive but hanging by a thread 24. November 2025 (12:02) The 194 countries still taking part in UN climate negotiations reaffirmed the Paris Agreement following the US withdrawal, even if they agreed on little else(New Scientist)
Astronomers may have glimpsed evidence of the biggest stars ever seen 21. November 2025 (17:19) The distant universe might be littered with supermassive stars between 1000 and 10,000 times the mass of the sun, which could solve a cosmic mystery about the origins of extremely large black holes(New Scientist)
Undersea ‘storms’ are melting the ‘doomsday’ glacier’s ice shelf 21. November 2025 (16:00) Spinning vortices of water trapped under the Thwaites glacier ice shelf account for 20 per cent of the ice melt. They’re expected to get worse as the world warms(New Scientist)
Ancient tracks may record stampede of turtles disturbed by earthquake 21. November 2025 (15:00) Around 1000 markings on a slab of rock that was once a seafloor during the Cretaceous period may have been made by sea turtle flippers and swiftly buried by an earthquake(New Scientist)
Moss spores survive and germinate after 283-day 'space walk' 20. November 2025 (17:00) Astronauts strapped moss spores to the outside of the International Space Station for nine months - and most of them survived the challenging experience(New Scientist)