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A decades-long push to identify clear biomarkers for anxiety and depression is at last achieving results

A Chinese application to the International Telecommunications Union suggests plans for the largest satellite mega constellation ever built – but something else might be going on here

An analysis of growth rings in the leg bones of 17 Tyrannosaurus rex individuals reveals that the dinosaurs matured much more slowly than previously thought, and adds to the evidence that they weren't all one species

Easing stress is one of the healthiest pursuits you can embark on this January. Here are some evidence-backed ways to ground yourself in 2026

Construction generates between 10 and 20 per cent of the world's greenhouse gas emissions, but cities can slash their climate impact by designing buildings in a more efficient way

A report warns that we may have seriously underestimated the rate of warming, which could damage economic growth

A few extra minutes of sleep per day or an extra half-serving of vegetables with dinner can add a year to our lives, according to an analysis of data from 60,000 people

Clues from studies of ancient plants and animals have helped archaeologists pin down where the last Neanderthals found refuge, says columnist Michael Marshall

Some of climate change's sharpest realities are being felt on small island nations, where extreme weather is claiming homes and triggering displacement. Those able to stay are spearheading inventive adaptation techniques in a bid to secure their future

A study of the hearts of Greenland sharks has found that the long-lived deep-sea predator has massive accumulations of ageing markers, such as severe scarring, but this doesn't appear to affect their health or longevity

Before the Romans captured Pompeii, the famous town was run by the Samnite people – and a dip in their public baths might have been an unpleasant experience

Combining two kinds of quantum computing devices could be just the trick for taking better images of faint, faraway exoplanets

For centuries, the principle of symmetry has guided physicists towards more fundamental truths, but now a slew of shocking findings suggest a far stranger idea from quantum theory could be a deeper driving force

Sexual behaviour among same-sex pairs is common in apes and monkeys, and a wide-ranging analysis suggests it does boost survival

The world’s most powerful supercomputers can now run simulations of billions of neurons, and researchers hope such models will offer unprecedented insights into how our brains work

Mathematicians rely on numbers, but finding words to explain different levels of certainty has stymied everyone from the ancient Greeks to the most famous modern philosophers. Maths columnist Jacob Aron tells the story of how a CIA analyst finally cracked it

Cutting down boreal forest and sinking the felled trees in the depths of the Arctic Ocean could remove up to 1 billion tonnes of carbon dioxide from the atmosphere each year – but it could come at a cost to the Arctic ecosystem

One of the astronauts aboard the International Space Station is undergoing a “medical situation”, forcing NASA to bring the crew home early for the first time ever

Evidence is mounting that specific gut bacteria are linked to sleep conditions, which may open the doors to dietary recommendations aiming to boost the quality of our slumbers

The ice-covered island may be strategically important, but it's unclear that it could be a commercially viable source of minerals and oil in the near future