And this list is getting longer. As scientists discover new fossils, the hominid family tree grows new branches. But fossils are often difficult to categorize neatly as one species or another.

They may have foraged on two legs and rested or hid up in the trees. In July, South African paleontologists reported finding "a locomotor missing link" in the hominid fossil record. The foot bones ...

good vision and other primate adaptations emerged because the mammals plucked fruits from the ends of tree branches A hominid that lived in Europe more than a million years ago might have given ...