“Fertilization happens in the oviduct, and that’s a little safer place for the embryo to be than in the uterus,” Larson says. “It’s in that uterine tube for about the first seven days. So that’s ...

After trying to conceive for 18 years, one couple is now pregnant with their first child thanks to the power of artificial ...

Butterflies (Papilionoidea) come in a remarkable variety of colors and patterns, from the orange majesty of the monarch to the lustrous red and blue of the peacock butterfly, but all butterflies ...