Typically, male birds have more vivid colours than females. As Charles Darwin first explained, the most colourful males are ...

After passing a Dark Sky ordinance to curb light pollution and save energy, Pittsburgh is installing adjustable streetlights.

Hidden layers of colour in the plumage of tanagers and some other songbirds explain what makes them so eye-catching ...

Looking for some bucket-list travel ideas? You can't go wrong with these incredible natural wonders of the world. Earth’s ...

You don't need a green thumb to keep the thyme and aloe alive all winter. What you need is a grow light with the right wavelengths and intensity.

Hundreds of species, from as far as South America, commonly stop in Kentucky to find food and rest their wings after ...