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 ...

These days it’s not the size of the chicken but the size of the chicken’s egg that counts. Rob Griffin and his family were stunned recently when their chicken laid a massive egg more than three times ...

Amphibians were the first vertebrates to crawl up from the water onto land. Even today, amphibians lay their soft-shell eggs ...