A bone feature found in a mammal ancestor hints that the creature was relatively large as a newborn, more in line with the ...
A 236-million-year-old cynodont fossil from Argentina contains evidence that the animal may have given birth to live young ...
Live birth evolved at the beginning of the Triassic, rewriting our understanding of when key mammal traits evolved.
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 ...
A single neonatal growth line in a 236-million-year-old cynodont from Argentina overturns the assumed origin of live birth in the mammalian lineage by nearly 10 ...