In addition to demonstrating the evolution of gene control over tooth development, the hens' teeth study serves as an evolutionary landmark in scientific development, as National Public Radio ...

As they grow, the differences that will distinguish the embryos as adults become more and more apparent. The study of this development can yield insights into the process of evolution.

A study published today (September 11) in Nature Ecology & Evolution suggests that instead of two distinct germ layers, cnidarians may indeed have three. The authors show that the mesendoderm of the ...

Evolution is the change in organisms over time that gives rise to new species. Development is the process by which a fertilized egg, or embryo, generates the cells, tissues, and organs of a new ...

A newly reported fossil of an oviraptorid embryo, nicknamed Baby Yingliang, provides an extraordinary glimpse into the ...