Drill cores at the impact site of the Chicxulub asteroid show evidence that, alongside widespread destruction, the collision created a vast underground ecosystem filled with hot water that sheltered microbial life

Brown dwarfs are somewhere between the size of a planet and a star, so how could we have potentially mistaken two of them for distant galaxies? Columnist Chanda Prescod-Weinstein argues that solving this

Physics is considered a cold, hard science – but it will transform your life if you view it with a bit more subjectivity, says Karmela Padavic-Callaghan

Bleaching has devastated reefs around the world, raising fears of an irreversible shift. Yet new interventions have revealed that corals can be remarkably resilient if we can give them enough help to recover

A complex ecosystem of woolly mammoths, bison, horses and big cats has been elucidated by studying the faeces of small rodents that probably ate the bigger animals

Feedback discovers Halupedia, an online encyclopedia that is 100 per cent generated by AI, offering such delights as the 19nd century and The Society for the Prevention of Unnecessary Tuesdays

The modern world depends on open-source software maintained by volunteers, but the added demands of checking and fixing AI-written submissions are causing some to burn out and quit

Scientists warn that the Trump administration's push to dismantle a vital network of ocean-sensing instruments will stymie crucial weather and climate monitoring in the Pacific and Atlantic