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The largest study of its kind has revealed how both genetics and lifestyle play a role in developing certain age-related conditions, such as dementia, lung cancer and heart disease

The weakening of the Atlantic meridional overturning circulation could be bolstering rainfall over the Amazon, reducing the risk it will reach a tipping point

Wholemeal bread can be shaped into carbon electrodes that could replace traditional metal conductors in electrical devices

The often stereotyped and offensive responses from AI chatbots role-playing as humans can be explained by flaws in how large language models attempt to portray demographic identities

The gas giant WASP-121b, also known as Tylos, has an atmospheric structure unlike any we have ever seen, and the fastest winds on any planet

By looking ever further back in time, the James Webb Space Telescope is at last revealing the first galaxies – and a very strange young cosmos

The more we discover about our species' family tree, the harder it becomes to pinpoint when exactly Homo sapiens emerged, raising questions over what it really means to be human

Asteroid 2024 YR4 has a small chance of hitting Earth in 2032, but as astronomers make more observations about its trajectory, the odds of a collision are being refined

Asteroid 2024 YR4 has a small chance of hitting Earth in 2032, but as astronomers make more observations about its trajectory, the odds of a collision seem to be increasing

As the Russia-Ukraine war reaches its third anniversary, militaries around the world are watching the evolution of drone warfare and planning for future conflicts

From the beginning of time to the origins of life, our "when" special series tackles the timing of crucial events and the surprising new discoveries we are making about them

You may think that time started 13.8 billion years ago at the birth of the universe, but physicists with alternative definitions of time have other ideas

Some cyanobacteria have pigments that specialise in harvesting green light to power photosynthesis, which may be because they evolved at a time when the oceans were iron-rich and green-tinged

Artificial intelligences fail to identify optical illusions in images created by other AIs – so these images could form the basis of a new kind of CAPTCHA test

A person with neuroblastoma, which occurs when developing nerve cells in children turn cancerous, has remained tumour-free for over 18 years thanks to CAR T-cell therapy

Social media is enabling health symptoms and mass psychogenic illnesses to spread quickly around the world. But by knowing how it happens, you can protect yourself

From staying active to getting plenty of sleep, there are many ways to keep your heart healthy

Efforts to develop next-generation cryptography algorithms that can't be broken by quantum computers are already underway in the US, but now China has announced it will seek its own solutions

Pompeii only came under Roman control around 160 years before its destruction – and its traffic-worn streets show how the locals adjusted their business operations

Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation for why they sometimes form