YouTube video by The World, The Universe And Us

Building the full value of pi has been a project thousands of years in the making, but just how much of this infinite number do we actually need, asks our maths columnist Jacob Aron

New Scientist has used freedom of information laws to obtain the ChatGPT records of Peter Kyle, the UK's technology secretary, in what is believed to be a world-first use of such legislation

The electrons in a twisted piece of graphene show a strange repeating pattern first predicted in 1976, but never directly measured until now

In a monthly reporting call on global climate, researchers from the US government’s climate and weather agency avoided mentioning rising levels of greenhouse gases

Male flies have been genetically engineered to produce poisonous proteins in their seminal fluid, a technique that could be employed against pests and disease carriers

You might expect a child's belief in Santa Claus – with his ability to discern whether children have been naughty or nice – would have an impact on their behaviour. But it turns out other festive trap...

An analysis of ancient cuneiform texts suggests people thought of emotions in a different way almost 3000 years ago, showing how culture influences our most intimate experiences

Natural selection isn't just something that happens to organisms, their activities also play a role, giving some species – including humans – a supercharged ability to evolve

A robotic wheeled rat that was trained with AI learned how to play and fight with real rodents – and could one day offer companionship to lab rats

About 40 years ago, researchers noticed a population of orcas had begun swimming around with dead fish on their heads, and now the craze is back

Abortion was on the ballot in 10 states, and seven of them passed constitutional amendments defending abortion rights.

An unsatisfying caveat in a mathematical breakthrough discovery of a single tile shape that can cover a surface without ever creating a repeating pattern has been eradicated. The newly-discovered "spectre" shape can cover a surface without repeating and without mirror images

A technique based on high-resolution satelllite images could help researchers monitor tree cover loss, reforestation and the impact of climate change