Alien megastructures would likely self-destruct before we spot them 12. May 2025 (14:00) Dyson spheres, a type of huge megastructure designed to capture the energy output of a star, would be a sign of an alien civilisation – if we can find one before they disappear(New Scientist)
New way to pull uranium from water can help China's nuclear power push 12. May 2025 (12:00) Chinese researchers have a new method to extract uranium from seawater twice as cheaply as previous technologies. Their success comes as China needs uranium to fuel its unprecedented nuclear expansion(New Scientist)
AI hallucinations are getting worse – and they're here to stay 09. May 2025 (22:00) An AI leaderboard suggests the newest reasoning models used in chatbots are producing less accurate results because of higher hallucination rates. Experts say the problem is bigger than that(New Scientist)
Was a famous supernova an alien invader from another galaxy? 09. May 2025 (19:00) Kepler's Supernova, seen in 1604, is one of the most famous exploding stars ever seen, and now astronomers think it may have been an interloper from another galaxy(New Scientist)
