Primates—the group of animals that includes monkeys, apes and humans—first evolved in cold, seasonal climates around 66 million years ago, not in the warm tropical forests scientists previously ...

Pop quiz: are you a haplorhine or a streppsirhine? Or to put it another way, are you more like a lemur or a tarsier? If you don’t know, don’t care and don’t understand such crazy talk in the first ...

Most people imagine our early primate ancestors swinging through lush tropical forests. But new research shows that they were braving the cold. As an ecologist who has studied chimpanzees and lemurs ...

A groundbreaking study has traced the 66-million-year evolutionary history of primates and overturned conventional thought that our ancestors originally inhabited warm tropical forests. Using advanced ...

Add Yahoo as a preferred source to see more of our stories on Google. Twins are uncommon in human history. Tesla Monson Our recent research suggests that twins were actually the norm much further back ...

Jason Gilchrist does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...