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 ...

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 ...