Birds and mammals generate heat to regulate body temperature, but most non-avian reptiles cannot. The discovery of endothermy during the reproductive period of a tegu lizard sheds light on the ...

Tiny fossil eggs long thought to harbour the embryos of dinosaurs or primitive birds, in fact contained unhatched baby lizards—the oldest ever found, scientists said Wednesday. The eggs, roughly the ...

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 ...

Why Spiny-Tailed Lizards Turn Omnivore When Seasons Change (Image: IISc) Researchers from IISc have found that spiny-tailed lizards living in desert environments carefully adjust their diet and ...

For most animals, reproduction is straightforward: some species lay eggs, while others give birth to live babies. But our recent research uncovered a fascinating mix between the two modes of ...

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 ...

Komodo dragon (Varanus komodoensis)© "Komodo dragon (Varanus komodoensis)" by 5of7 is licensed under BY-SA 2.0. As the world’s largest living lizards, Komodo dragons are some of the most ...

At first glance, a lizard and a salamander can appear surprisingly alike. Both usually have long bodies, four limbs, and ...

How an Asexual Lizard Procreates | RealClearScience In sexual reproduction—the way most life-forms procreate—each parent provides half an offspring’s chromosomes. Over generations, this mating and ...

As the world's largest living lizards, Komodo dragons are some of the most fascinating and intimidating reptiles on Earth. In addition to their massive size, these predators are known for their ...