In places and cultures all around the globe, birds are truly revered animals. Bringing beauty, music, and positive impacts on the environment, these avian creatures are always a delight to come across ...

Genetic analysis of the hoiho, also known as the yellow-eyed penguin, has revealed that this species is in fact made up of ...

One bright spot is green sea turtles, which have recovered substantially, the IUCN said as it released its latest Red List of ...

Animals survive in the wildness of the world and sometimes in its approximation. What comprises wildness? Perhaps a patch of ...

Parrots are some of the most interesting and colourful birds in the world. Known for their bright feathers and playful personalities, they bring life to forests, woodlands, and tropical areas. There ...

A superb fairy-wren calls to a Horsfield's bronze-cuckoo. Brood parasites like cuckoos lay eggs in other birds' nests and leave them behind for the host birds to raise. David Ongley / Cornell Lab of ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The world’s ...

Çağan Şekercioğlu was an ambitious, but perhaps naive graduate student when, 26 years ago, he embarked on a simple data-compilation project that would soon evolve into a massive career-defining ...

Light pollution makes birds work overtime. A behavioral analysis of nearly 600 bird species suggests that light pollution from human development can lengthen the time birds spend singing by nearly an ...