During a live birth, a newborn Gaboon viper slowly begins to emerge while the process unfolds naturally. Its small body gradually becomes visible as it enters the world, offering a rare look at how ...

・A 236-million-year-old cynodont fossil from Argentina contains evidence that the animal may have given birth to live young rather than laying eggs. ・Bone growth patterns and estimated newborn size ...

Scientists studying one of nature's greatest reproductive innovations have discovered how some lizards evolved from laying eggs to giving birth to live young. The new research is the first to reveal ...