The booming short messaging service Bluesky, with its logo of a blue butterfly, is not only a suitable alternative to X, but offers tangible advantages to users, concludes a study by a team of ...

The Smith's blue butterfly may be tiny, but it's endangered in a big way. It spends its whole life within a few hundred yards of two native plants, seacliff buckwheat and coast buckwheat — and is ...

Native to the rainforests of Mexico, Central America and South America, this bright blue butterfly has a short but stunning life. It is thought that the colour helps the males to mark their ...