Why nature allows animals to have litters but not humans is a question that comes naturally when we compare ourselves to the ...

A small brown mouse has just done something no mammal has ever done before: give birth on Earth after spending part of its ...

We like to draw a line between humans and animals, a clear divide built on memory, empathy, and invention. But that line doesn’t always hold. Apes steal territory. Parrots ace memory tests. Bees react ...

Children universally believe animals experience emotions and feelings but are reluctant to say they have human-like thoughts, which can influence how we treat other species throughout life, according ...