Every winter about 10,000 elephant seals make their way to California's Año Nuevo State Park to fight, mate and give birth.

At first glance, this mammal looks like a horse gone terribly wrong. But, in reality, Chalicotherium is far from a botched ...

Omaha's Henry Doorly Zoo and Aquarium announced that Ruby the Bornean orangutan is now in the "birth watch" stage of her ...

Discover the bizarre facts and fiction about the Virginia opossum's incredible symmetrical reproductive system.

Monotremes are unique mammals that lay eggs, but their limited geographic ranges make them vulnerable. We explain why.

Animals reproduce in a variety of fascinating ways. Some species, including humans and many other mammals, give birth to live young that develop inside the mother’s body. Others reproduce through less ...

Cardi B is hitting the gym just one month after giving birth to her fourth baby. “I told y’all imma be getting ready for tour! Anytime! ANY PLACE,” Cardi, 33, wrote via Instagram on Saturday, December ...

Pakistani influencer Pyari Maryam has died at age 26 after giving birth to twin boys. The social media star’s husband, Ahsan Ali, confirmed her death on Thursday in an Instagram story, writing, ...

A federal vaccine advisory committee voted on Friday to end the longstanding recommendation that all U.S. babies get the hepatitis B vaccine on the day they’re born.A loud chorus of medical and public ...