Smithsonian’s National Zoo is all abuzz with excitement because first-time elephant mom Nhi Linh is pregnant. With a window for birth from mid-January to early March, the calf could come any day now.

After an approximately 22-month pregnancy, young elephant Nhi Linh is expected to give birth soon at the Smithsonian’s National Zoo. With Asian elephants endangered, every captive birth adds a new ...

Thailand has started using a birth control vaccine on elephants in the wild to try and curb a growing problem. Human and animal populations are encroaching on each other as farms spread into forests ...

BANGKOK — Thailand has begun using a birth control vaccine on elephants in the wild to try and curb a growing problem where human and animal populations encroach on each other — an issue in areas ...