What animal has the longest gestation period? From salamanders to elephants, here’s how long it can take to make a baby.

Scientists created transgenic mice with woolly mammoth–like traits. But does it really bring us closer to bringing back woolly mammoths?

As for the dodo, the Nicobar Pigeon is the closest living relative, and the Solitaire, a type of extinct bird that was found ...

Tigers and monkeys and tapirs, oh my! Joel Sartore's latest book, "National Geographic Photo Ark: Babies," captures the ...

Humans and elephants have a surprising number of traits in common. These animals are highly intelligent and emotional, ...

The National Museum of Natural History recently spruced up its iconic African elephant mount, which has greeted visitors ...

Rural communities on the border between the African countries of Malawi and Zambia are threatening to sue an international ...

Elephants choose smooth, food-rich paths to save energy. Their movement depends on terrain, speed, and water access.