A powerful new AI called o1 is the most dangerous that OpenAI has ever released, the firm claims – but who are these warnings ...

The direction of cause and effect was brought into question for quantum objects more than a decade ago, but new calculations may offer a way to restore it ...

Experiments show that viewers can usually identify video deepfakes of famous politicians – but fake audio and text are harder ...

Extreme weather events lasting more than a decade could have killed off forests 250 million years ago, contributing to ...

ALS, the most common form of motor neuron disease, can take a long time to diagnose, but a blood test could help doctors spot ...

Thanks to advances in weather simulation, forecasts of heatwaves and hurricanes could soon come with information about the extent to which they were fuelled by climate change ...

An area of missing Antarctic sea ice twice the size of Texas adds to concerns that the ice has seen a lasting “regime shift”, with consequences for ecosystems and global ocean circulation ...

Analysis of DNA from a Neanderthal fossil found in a French cave indicates that it belonged to a group that was isolated for ...

Far from being a behavioural quirk, obsessive-compulsive disorder is a debilitating condition with complex causes that we're ...

Supremacy, a new book from tech journalist Parmy Olson, takes us inside the rise of machine learning and AI, and examines the ...

A single dose of a smallpox vaccine seems to lower the risk of catching mpox by around 60 per cent, and two doses would ...