The $4.5 trillion tax-cut plan would also fund the deportation of migrants living in the U.S. illegally, tighten border security, energy deregulation, and military spending.

A rare and deliberate signal between a mother chimpanzee and her daughter raises new questions about ape communication, culture and the meaning of sharing a language ...

Join the little chimpanzee in his thrilling virtual escape quest from captivity. Help him avoid dangers, gather clues and look for a way out of the maze. Be quick-witted, agile and savvy to help baby ...

A study finds that young female chimps build nests earlier and more often than males, showing early independence.

Residents of the West African country of Guinea are in shock after a chimpanzee snatched an 8-month-old baby from its ...