Evolutionary biology

Tiktaalik illustration

New clues emerge on how early tetrapods learned to live—and eat—on land

Nels Elde

At UChicago, MacArthur fellow learned to pursue ‘creative science’

Two views, one from above and one from the side, of a mottled, large-bodied fish with four short fins and a large paddle-shaped tail

How fish fins evolved just before the transition to land

Sloth

Study shakes up sloth family tree

Men’s attitudes toward babies linked with hormonal responses to sexually explicit material

Evolutionary study finds neglected fin may have a function

University of Chicago and Marine Biological Laboratory agree to form affiliation

New book connects the human community to its cosmic roots

A new take on the games people play in their relationships

Neil Shubin, Pier Oddone elected to National Academy of Sciences