A giant Asian water monitor calmly eats infertile python eggs while the man shows how gentle he can be during feeding. At ...

Our earliest vertebrate (animals with backbones) ancestors laid eggs, but over millions of years of evolution, some species began to give birth to live young. There is a traditional dichotomy in ...

When a female horned lizard lays her eggs, she finds herself up against several predators that want to devour them. Fortunately, the female horned lizard doesn’t back down very easily, and when she ...

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 ...

Whether baby lizards will turn out to be male or female is a more complicated question than scientists would have ever guessed, according to a new report published online on June 4th in Current ...