The Cincinnati Zoo & Botanical Garden is expecting a new critter. Isla the tamandua is pregnant and expecting a pup at the end of December, according to the zoo's Facebook page. Scientists from the ...

Female tammar wallabies are rarely, if ever, truly alone. Their pregnancies last almost exactly 12 months—and within hours of giving birth, most of the marsupials can be found mating again, conceiving ...

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 ...

One of the most difficult situations I often find myself in every time I travel upcountry, is that a cow will begin to birth when I have been left alone at home. It’s almost like the herd can tell how ...

BUFFALO, N.Y. — From an evolutionary perspective, human pregnancy is quite strange, says University at Buffalo biologist Vincent Lynch. “For example, we don’t know why human women go into labor,” ...