Scientists injected unfertilized anole lizard eggs with CRISPR-Cas9 to produce albino offspring.

From skin color to immunity, human biology is linked to our archaic ancestry.

The astronomical idea doesn’t align well with the fossil record, anthropologists argue, but the origins of bipedalism are still difficult to determine.

See when and where our ancestors may have interbred with Neanderthals and Denisovans.

Researchers identify changes to a pain receptor and to an ion channel that appear to enable the rodents to colonize otherwise inhospitable burrows.

Theodosius Dobzhansky’s work in population genetics influenced how genetics and natural selection were combined in evolutionary biology.

Researchers say the skull belongs to an Australopithecus species once thought to be a predecessor to “Lucy,” but now that relationship is murky.

Both modern and ancient crane fly eyes contain eumelanin, a light-screening pigment.

Scientists spent five years reconstructing what is now the oldest HIV-1 genome yet recovered.