Reptiles exhibit remarkable reproductive diversity, with many species giving birth to live young rather than laying eggs.

New findings add a surprising twist to the already complex mechanism that determines whether reptile embryos develop to be males or females. An egg-laying lizard found in the hills of southeastern ...

Q. When we studied high school biology, our teacher said more than 99 percent of animals lay eggs and only a few give live birth. That percentage seems too high. Humans, dogs, cats and cows are ...

A couple of decades ago, in my herpetology class at the University of Georgia, we were discussing evolutionary ecology and someone asked the age-old question, “Which came first, the chicken or the egg ...