I received a first-hand tutorial in whitetail deer gestation period last spring. While hunting for morel mushrooms, I stumbled on a tiny fawn curled up in the downed top of an oak tree. I’ve found ...

University of Cambridge scientists say they have identified a key pathway that controls the expansion of the placental vascular tree in late gestation, demonstrating that fetus-derived signals are ...

Humans have a long gestational period of 9 months. But did you know that some animals remain pregnant for over a year? Animals, including the elephant, walrus, giraffe, sperm whale, and dolphin, have ...

"In the space of one hundred and seventy six years the Lower Mississippi has shortened itself two hundred and forty two miles. That is an average of a trifle over one mile and a third per year.