In 2025, UK's EasyJet airline used a new lightweight paint that made each airplane about 27 kg lighter. This small change ...

Readers share photos of gray bird species that live across America. Learn about the variety of gray colored birds you should know.

Many species of songbirds have evolved to have strikingly colorful plumage, aiding them in catching the eye of mates, ...

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