Biologists studying an Australian lizard observed something no one had ever documented in a vertebrate before. A single female produced offspring through two different reproductive methods during the ...

“We can now create two to four mutant lizards from just a day’s work,” he said. It took the scientists about two years to figure out how to access the reproductive system of the lizards in the desired ...

The reproductive biology of reptiles encompasses a wider range of strategies than is often assumed in general accounts of the group. Alongside species that deposit shelled eggs in terrestrial nests or ...