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When particles in volcanic ash cloud rub together, some pick up positive charge and others negative – now physicists have finally elucidated how these different charges are determined

For the first time, scientists have measured atmospheric gases from the late Pliocene, yielding data that could help to predict the future climate

Abigail Marsh has found that many psychopaths don’t want to be cruel and uncaring, and argues that they deserve support to help them get there

Abigail Marsh has found that many psychopaths don’t want to be cruel and uncaring, and argues that they deserve support to help them get there

Drugs like psilocybin that induce psychedelic effects have shown promise for treating depression. Now, a review of the evidence suggests that they are effective, but no more so than traditional antidepressants

A weather-forecasting AI was used to recommend routes for American Airlines flights between the US and Europe to reduce the formation of contrails, which contribute to global warming

A weather-forecasting AI was used to recommend routes for American Airlines flights between the US and Europe to reduce the formation of contrails, which contribute to global warming

A weather-forecasting AI was used to recommend routes for American Airlines flights between the US and Europe to reduce the formation of contrails, which contribute to global warming

Two lawsuits are being brought against giant tech firms for the dangers their apps pose to young people. Columnist Annalee Newitz says the outcome of those cases could dramatically change social media for the better

You can now buy a humanoid robot housekeeper for less than the price of a second-hand car. But before splashing out, there’s something you need to know

People who share a bed with a partner are woken by them multiple times per night, but don’t remember most of these disturbances

People who share a bed with a partner are woken by them multiple times per night, but don’t remember most of these disturbances

Physicists working on the LHCb experiment have spotted an elusive and fleeting particle, a heavier and more charming cousin to the proton, that has been sought for decades

The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has a cold and distant origin

A radical idea that resolves many quantum paradoxes suggests there is no objective view of reality. How can the cosmos be stitched together from interlocking perspectives?

All five of the canonical nucleobases – the underpinnings of DNA, RNA and life on Earth – have been found in samples from the asteroid Ryugu

Scientists disagree whether human-made climate change or natural fluctuations are mostly to blame for worse-than-expected heat in recent years

With the Trump administration’s attacks on so-called woke AI it is becoming even harder to make the technology we use fairer and more diverse. Leading voices are speaking out, reports Catherine de Lange

Ancient DNA reveals that the Goths of eastern Europe, some of whom would ultimately sack the city of Rome, may have been a mix of peoples from three continents

Dimensions beyond the four we’re familiar with could solve a host of problems in physics and cosmology. Columnist Leah Crane explores what a higher-dimensional universe might be like – and how we could find out if we live in one