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

African savanna elephants weigh nearly twice as much as their forest counterparts, yet many have considered them merely different populations of the same species. But new genetic evidence finally puts ...

A herd of 25 elephants was crossing the road to return to the forest when the calf fell into the 3-ft-deep drain. As the mother struggled to rescue the baby, another elephant of the herd stepped ...

Importantly, despite compelling genetic research concluding that two species of African elephants exist — forest elephants (Loxodonta cyclotis) and savannah elephants (Loxodonta africana) — Africa's ...

Some mimicry bird species—mockingbirds, thrashers and catbirds—may sing more than a hundred different phrases. These slim birds all have distinctive long tails and usually have plumage in ...

Hippos were common in the area but elephants were not, meaning their bones were probably carried to Olduvai Gorge from elsewhere, according to the researchers. No ancient human fossils were found at ...