Free-living songbirds show increased stress hormone levels when nesting under white street lights. But different light spectra may have different physiological effects as this study finds, suggesting that using street lights with specific colour spectra may mitigate effects of light pollution on wildlife

Scientists identify the condition aphantasia, in which people cannot create images in their head

The dust in our homes contains an average of 9,000 different types of fungi and bacteria, a study suggests.

A mosquito can bear up to 23 times its total body weight on each leg, which is crucial for landing on water – the insect's secret is way it stands

Tropical species with smaller geographical ranges are more likely to die out in a warming climate than those that can adapt by ‘invading’ new regions

Most people think of bacteria as germs, signs of filth, or unwanted bringers of disease. Slowly, that view …

The gloomy octopuses crowded at Jervis Bay, Australia, appear to spit and throw debris such as shell at each other in what could be an intentional use of weapons

Therapies based on hormones that make us more trusting enhance our natural placebo effect – a finding that could alter the way clinical trials are conducted

The blind, hairless babies born recently at Washington D.C.'s National Zoo are completely dependent on their mothers—who can sometimes accidentally crush them.

The poop-hoarding insects have an amazingly advanced internal GPS that allows them to navigate by day or night.