A field study of viviparous Mesquite Lizards in central Mexico shows that pregnant females carry extra mass yet maintain body ...

Scientists studying the evolution of birth in lizards, from egg-laying to live births, have pinpointed the evolutionary genes from which the species is evolving to 'build' a new mode of reproduction.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. For most animals, reproduction is straightforward: Some species lay ...

Geckos and lizards may look similar, but they are not exactly the same. All geckos are a type of lizard, but not all lizards are geckos. Geckos have some special features like sticky toe pads to climb ...

Sure, creatures that reproduce asexually get to avoid some of the hangups that come with sex, but the strategy brings its own problems. First and foremost, how do you prevent genetic deterioration ...

Lizards that produce live young are significantly more likely to be driven to extinction through climate change than those that lay eggs, new research suggests. The study, involving Nottingham Trent ...