Tessa, a giraffe at the Cincinnati Zoo, is pregnant with her fifth calf. The baby giraffe will join the zoo's tower of four in October.

Thirty babies in a lifetime might sound unbelievable, but in the animal world, that number can be modest. Reproduction follows a clear biological pattern.

Travelling from Cookhouse to Addo Elephant National Park offers a glimpse into the Eastern Cape’s shifting landscape of agriculture, renewable energy and conservation. Within the park, the scale of ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Human newborns arrive remarkably underdeveloped. The reason lies in a deep evolutionary ...

The Smithsonian’s National Zoo announced Friday that its less than 2-week-old female Asian elephant has been named Linh Mai, Vietnamese for spirit blossom. The 308-pound calf was the first elephant ...

For the first time, scientists have identified genetic variants that increase the risk of aneuploidy, in which cells have an abnormal number of chromosomes. Aneuploidy in egg cells can lead to ...