Physicists are waging a cosmic battle over the nature of dark energy 26. May 2025 (14:00) Results from the Dark Energy Spectroscopic Instrument (DESI) suggest that dark energy, a mysterious force in the universe, is changing over time. This would completely re-write our understanding of the cosmos - but now other physicists are challenging this view(New Scientist)
A photon caught in two places at once could destroy the multiverse 26. May 2025 (11:00) The idea of a multiverse of universes is derived from a particular interpretation of quantum mechanics, but now a new twist on a classic experiment says it is time to put the idea to bed(New Scientist)
Trump's Golden Dome defence project could spur a space arms race 23. May 2025 (23:00) US President Trump has proposed a Golden Dome defence system that includes missile interceptors in space. But the idea would cost hundreds of billions of dollars – and could accelerate the weaponisation of space(New Scientist)
Breaking encryption with a quantum computer just got 20 times easier 23. May 2025 (17:13) A quantum computer with a million qubits would be able to crack the vital RSA encryption algorithm, and while such machines don't yet exist, that estimate could still fall further(New Scientist)
Why birds decorate their nests with weird and unnatural objects 23. May 2025 (15:00) Puzzlingly, many birds add human-made material to their nests with no obvious function – now there is evidence that these home improvements might ward off predators(New Scientist)
Flash floods sweep through vital sanctuary for Australian animals 23. May 2025 (12:46) Wildlife carers fostering some of Australia’s most precious animals have had to rescue them one by one from rising waters and are now racing to repair fencing that keeps feral predators away(New Scientist)
New dwarf planet spotted at the edge of the solar system 22. May 2025 (22:00) The unusual orbit of a possible dwarf planet, known as 2017 OF201, makes it less likely that our solar system contains a hidden ninth “Planet X”(New Scientist)