Humans Understanding the Denisovans means understanding ourselves Categorising the Denisovans as a distinct species would allow us to more comprehensively trace our own evolutionary development Comment
Environment Rare 'triple-dip' La Niña may explain why 2023 was so hot The record-breaking global temperatures seen in late 2023 may have emerged partly because of unusual conditions in the Pacific Ocean in the preceding years News
Environment How to tackle environmental issues when the world can't agree The failure to agree a global treaty on plastic pollution highlights how the UN’s requirement for unanimity holds back environmental policy, but there are better ways to make progress News
Space NASA's first space photos restored in stunning detail The new book "Gemini and Mercury Remastered" features iconic images from the earliest days of human space exploration Regulars
Humans An incredible Denisovan skull is upending the story of human evolution An ancient skull has finally shown us what the Denisovans looked like. Now it turns out they, not Neanderthals, might be our closest relatives, redrawing our family tree and transforming the hunt for Ancestor X Features
Humans Alice Roberts investigates the unstoppable rise of Christianity Why did Christianity grow from a niche sect to a religion followed by billions? Michael Marshall explores Alice Roberts’s latest book Domination Culture
Space Could a huge lunar telescope be our best chance of spotting aliens? In this latest instalment of Future Chronicles, an imagined history of future inventions, Rowan Hooper explores the advances that meant an optical telescope with an effective mirror size of 3000 km could be built on the moon Comment
Comment How a well-trained New Zealand dog took on quantum computers – and won Feedback is alerted by a reader to the latest effort to create a quantum computer that can factorise extremely large numbers, and discovers an abrupt shift to K9 tech Regulars