Scientists are still learning more about when live birth evolved, but one fossil discovery in the South China Sea revealed a 250 million-year-old creature with an embryo in its ribcage. The ...

Feathers may define birds today, but their story began millions of years ago in creatures that looked very different from ...

In their earliest stages, human embryos exhibit striking similarities ... which further highlights our evolutionary links to aquatic creatures. Why Does This Matter? It might be amusing to think ...