From the 1960s at the top, this is how the taxonomy of Hominoidea (ape) has changed, according to Wikipedia. The bottom one is the latest version, putting the chimps next to us as first cousins. "This makes Rino the gorilla our second cousin, orangutans third, and gibbons fourth."
A molar tooth belonging to a Denisovan, thought to be a new branch of ancient humans. A finger bone from Siberia (found in the Denisov cave) now reveals a previously unknown group of ancient humans once existed there, one neither like us nor Neanderthals.
"Taung Child" skull: scientists suspect an eagle killed the Taung Child because puncture marks were found at the bottom of the eye sockets, shown in photo. These marks resemble those made by a modern eagle's talons when they attack monkeys in Africa today