We start 2018 by looking at what you loved in 2017.
Asian elephant calves born in captivity die young approximately 50% of the time.
Elephants stand out for many reasons, including the fact that they rarely ever get cancer.
Hippos hang out in the water most of the time, but are they good swimmers?
When elephants swim, they use their trunks as snorkels, so their trunks must be adaptations for swimming.
The protein myoglobin provides new clues to the evolution of diving in mammals.
Scientists suspected that two populations, African savannah and African forest elephants, were separate species because of their size differences.
An unusual partnership is happening on the African plain. The whistling-thorn acacia tree is using ants to defend against elephant attacks.