The Titicaca water frog is an endangered species that makes its home in Andean rivers. It's also the key ingredient in a popular drink.
Caretakers of the animals are leaving them at facilities and on the streets as fear of the deadly virus spreads.
Ebola's animal reservoir, fruit bats, could spread the disease through the dense forest that spans 22 countries, the study predicts.
Dogs do experience jealousy, according to a new study. And their motivations might teach us about our own.
They look back at they’re missed opportunity, as if to say 'I wish I could go back and do it all over again.'