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Samples retrieved from asteroid Ryugu indicate that it once had flowing water in far greater volumes than previously thought possible, suggesting that similar objects may have played a role in delivering vast quantities of water to Earth ...

It has long been claimed that only one mammal - the golden mole - has fur that shimmers with rainbow colours, but it now turns out that at least a dozen more mammals have iridescent fur too ...

An estimate that as many as 1.3 million wildebeest move across the Serengeti Mara landscape each year has been cut down to size using AI ...

Some cosmic events could have profoundly altered the lives of our ancient human relatives. Did Neanderthals go extinct, at least in part, due to changes in Earth's magnetic field? Did Australopithecus witness huge meteorite impacts?

Cleaning up air pollution has saved millions of lives, but it has also given us an inadvertent taste of a nightmare climate scenario. The race is on to understand how bad it could be - and how to swerve the worst effects ...

A review of the five main methods proposed for cooling down the poles or slowing the loss of ice concludes they are all wildly impractical, wouldn't work, or both ...

Constant loss of smell, facial pain and a blocked nose are a reality for the 10 per cent of people living with chronic rhinosinusitis, a disease long-neglected by research. Targeting the nasal microbiome, though, is offering hope ...

People who made the greatest gains in muscle power over eight weeks of resistance training also improved the balance of bacteria in their gut ...

The arguments made by AI safety researchers Eliezer Yudkowsky and Nate Soares in If Anyone Builds It, Everyone Dies are superficially appealing but fatally flawed, says Jacob Aron ...

Florida may soon become the first state to end all vaccine mandates, including those for schoolchildren, setting the stage for deadly infections to make a comeback ...