Fossil enthusiast Prescott Atkinson found the fossilized egg intact in the chalk beds of Selma, Ala. It was the only dinosaur egg ever found east of the Mississippi River and the only one in the world ...

What came first, the chicken or the egg? For Jules Howard, a London-based biology writer and the author of “Wonderdog,” there’s no debate. In “Infinite Life: The Revolutionary Story of Eggs, Evolution ...

It’s a common misconception – led by our familiarity with chicken’s eggs – that birds lay eggs in two colors: brown and white. But that couldn’t be further from the truth. In fact, the Cassowary’s ...

The discovery of several exceptionally preserved reproduction-related dinosaur specimens over the last three decades has improved our knowledge of dinosaur reproductive biology. Nevertheless, due to ...

A pregnant Tyrannosaurus rex has been found, shedding light on the evolution of egg-laying as well as on gender differences in the dinosaur. Researchers discover medullary bone in leg bone of T rex ...

It was nature’s version of an Easter egg hunt. Dr. Claire Spottiswoode, a professor at the University of Cape Town who studies avian (bird) brood parasites, was working in Zambia to learn more about ...