Both too little or too much sleep could be a health hazard, research suggests.

Loud sounds can generate abnormal behaviour in iconic birds in captivity.

Personalised dietary advice reduces risk of death for hospitalised patients.

Surprise discovery suggests feral animals aren’t all bad.

Report outlines urban nature-based solutions.

DNA analysis suggests it was a true crocodile.

It’s vital to consider the landscape, or “geodiversity”, scientists say.

Surprise discovery suggests the region was more diverse than previously thought.

Scientists show how online algorithms can manipulate people’s decisions.

Observations confirm the importance of conserving the animals’ resting areas.

Fossils reveal that ecosystems persist for millions of years while mammals come and go.

Serious reforms needed to bring more women into space research, modelling shows.

Science ventures into the bedroom in the name of female health.

Broad study shows benefits of rotating standard crops with beans and lentils.

Scientists create music from arachnid webs.

Scientists studying spinifex unearth the good and bad of soil microbes.

The chest beating could attract females and ward off rivals.

Inland Africa reveals ancient evidence of Homo sapiens innovation.