Another alarming discovery about the potential problems of plastic pollution ended with researchers issuing a warning about medical care for pregnant people. A team led by Leiden University biologist ...

Researchers have developed a method for culturing fertilized chick eggs without their shells. The eggs were placed in an artificial culture vessel made of transparent film, allowing for real-time ...

Eggs, as reproductive structures, existed long before the emergence of modern birds, including the so-called domestic chicken. Dinosaur egg fossils show that egg-laying preceded the emergence of ...

Feathers are important for birds today, enabling flight, warmth, and communication. Now, researchers from the University of Geneva have traced the origin of feathers. Scientists believe feathers ...