Tigers and monkeys and tapirs, oh my! Joel Sartore's latest book, "National Geographic Photo Ark: Babies," captures the ...

Howlers are New World monkeys found in tropical Central and South America. They are aptly named for their cacophonous cries. When a number of howlers let loose their lungs in concert, often at ...

The six-part series Animals, They’re Just Like Us! lets you peek inside the lives of penguins, giraffes and chimps that behave a whole lot like humans ...