In most species of birds-of-paradise, males have the ability to glow to attract mates, adding another element to their ...

The Archaeopteryx, the fossils of which were first discovered around 1860, belonged to the Late Jurassic period and was once ...

Scientists have unearthed in southeastern China the fossil of a quail-sized bird that lived about 150 million years ago ...

We learned at school that there are five different classes of animals. These are mammals, birds, fish, reptiles and amphibians. However, this knowledge, long enshrined in textbooks, does not seem to ...