Reanalysis of gene studies and new fossil evidence cast doubts of a popular theory of human origins
New fossils leave researchers wondering where whales come from
Three-dimensional imaging stands in for fossils
A new fossil leaves former theories out on a limb
Neanderthals not our ancestors? Not so fast
Did ancient humans play modern scales?
A fossil ape unexpectedly resembles modern apes and humans
Military aviators learn to second-guess their senses