New Scientist - Home

A team in the US has reported promising results after using an improved form of CRISPR to gene-edit human embryos, but a major issue remains unsolved

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

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

Mice that contain cells with an added rat chromosome have been created by scientists. The next step is to try this with frozen elephant tissue – and if that works, the team will try it with frozen mammoths

A seemingly simple set of rules kicks off a kind of mathematical magic trick, which has kept great minds busy since the 1930s. Columnist Jacob Aron explores the origins of the Collatz conjecture, why it is so addictive to mathematicians and whether AI could help us solve it once and for all

Parents report loving their partners less within the first year of having a child, but that doesn't mean the feeling is permanent or inevitable

A patch of ocean south-east of Greenland is the only place on Earth that is cooling, and it could be a sign that the warm water "conveyor belt" in the Atlantic is slowing down

Rachel Carson’s look at the dire effects of industrial and agricultural pollution birthed the modern environmental movement when it was first published – and remains as crucial a read today, finds Rowan Hooper

A glacier could have carried the giant sandstone at the centre of Stonehenge southwards from north-east Scotland, but this scenario appears unlikely

Actor Ben McKenzie explores the world of crypto in an entertaining documentary that doesn't shy away from calling out those who have promoted the currency

Global warming will amplify the impacts of El Niño events, and could also make them much stronger and more far-reaching

A new retrospective of M.C. Escher’s work opens this week. Explore some of his most mind-bending, mathematically inspired works here

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

Giulia Enders made her name with Gut, an exploration of our intestines. Now, in the compelling follow-up Organ Speak, she’s listening to what our other organs are telling us

Mark Thomson has taken the reins at CERN just as particle physics confronts some of its deepest unknowns – and faces hard choices about what comes next

A circle running along the 27° east and 153° west meridians divides the globe into two halves with equal reflectivity – and this may have implications for solar geoengineering schemes

A UN report warns of the rapid growth in AI energy consumption, but suggests users can improve efficiency by making prompts more concise

A quantum computer made from extremely cold atoms can correct its own errors during long computations, an important prerequisite for becoming truly useful

Restricting carbohydrates may sound like an unlikely approach to treating anorexia, but following a ketogenic diet was linked to recovery in 3 in 4 people with the eating disorder in a small trial

Researchers studying a 5300-year-old mummified man have identified bacteria that lived in his gut when he was alive, as well as cold-tolerant fungi that colonised his body after death