Climate change means extreme heat will become the norm for millions across the world. We joined an experiment in the Saudi Arabian desert designed to find out what that means for our brains and bodies

There may be ways to work with your body’s natural daily and monthly cycles to get the maximum benefits from workouts and avoid injury

When we take a break from exercise, it can feel like we quickly go back to square one. But this isn't the case, and there are various ways to minimise the decline

The first generation of stars changed the course of cosmic history. Now, thanks to the James Webb Space Telescope, we have a real chance of spotting them

Astronomer Jo Dunkley is planning to use the Simons Observatory to snare evidence for inflation, the theory that the universe expanded at incredible speed after its birth

New research is revealing that common sense is a lot more idiosyncratic than we thought, with important implications for tackling political polarisation and the future of AI

We're finally pinning down the mechanisms that drive obsessive-compulsive disorder, revealing a complex combination of imbalanced brain networks, the immune system and even gut microbes

Discoveries from the genomes of the last Neanderthals are rewriting the story of how our own species came to replace them

Netflix’s Ancient Apocalypse peddles the idea that we have overlooked an extraordinary ancient civilisation. Flint Dibble explains why that is wrong, and why real archaeology is more exciting

The systems we use to produce food have many problems, from horrifying waste to their dependence on fossil fuels. Vaclav Smil explains how to fix them

We get about a quarter of our calories from snacks and new research shows that this isn't necessarily bad for us. Done right, snacking can boost our health

A new equation shows a surprisingly simple relationship between pressure and the temperature needed to melt any solid substance into a liquid

Are points of infinite curvature, where general relativity breaks down, always hidden inside black holes? An audacious attempt to find out is shedding light on the mystery of quantum gravity

A subatomic particle called the muon caused waves when its experimental behaviour didn't align with a prediction based on the standard model. A new calculation might resolve the discrepancy – but some particle physicists are sceptical

A century ago, Albert Einstein suggested that the universe might contain ripples in space-time, known as gravitational waves – but then he changed his mind

A mathematical study finds that three definitions of what it means for entropy to increase, which have previously been considered equivalent, can produce different results in the quantum realm

Droplets of fluid have been known to hover above a hot surface, but a new experiment suggests the same can happen to tiny jets of liquid too

Lake Maracaibo in Venezuela, the largest lake in South America, has been captured in detail by the European Space Agency's Copernicus Sentinel-2 mission

Once seen as miraculous, these days ice is no longer extraordinary. But in a winter season when Antarctic sea ice hit a historic low, it is clear we should cherish it more, says Max Leonard

China's carbon emissions may have peaked in 2023, as figures suggest its output has plateaued so far in 2024

We get about a quarter of our calories from snacks and new research shows that this isn't necessarily bad for us. Done right, snacking can boost our health

Averting an asteroid strike will need many of the same skills we must hone to tackle climate change and future pandemics

From just listening to reframing the situation, there are a few ways you can help someone with a negative outlook, says advice columnist David Robson

Droplets of fluid have been known to hover above a hot surface, but a new experiment suggests the same can happen to tiny jets of liquid too

An AI-assisted robot can listen to spoken commands and assemble 3D objects such as chairs and tables out of reusable building blocks

An excavation on Timor reveals humans first settled on the island 44,000 years ago, long after the earliest occupation of Australia – suggesting migration to the latter took another route

DNA evidence from tombs in Sweden and Denmark suggests major plague outbreaks were responsible for the Neolithic decline in northern Europe

Prehistoric mammal bones found at a construction site in Argentina appear to have been cut with stone tools, suggesting that humans lived in the region much earlier than previously thought

Where do morals come from? In Animals, Robots, Gods, anthropologist Webb Keane argues imagination and differing senses of the world are key to discerning right from wrong

DNA analysis shows that people from Easter Island had contact with Indigenous Americans around the 1300s, and finds there was no population crash before the arrival of Europeans

New research is revealing that common sense is a lot more idiosyncratic than we thought, with important implications for tackling political polarisation and the future of AI

Discoveries from the genomes of the last Neanderthals are rewriting the story of how our own species came to replace them

Netflix’s Ancient Apocalypse peddles the idea that we have overlooked an extraordinary ancient civilisation. Flint Dibble explains why that is wrong, and why real archaeology is more exciting

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