Organismal biology and anatomy

Fossil fish with preserved brain sheds light on ‘bottom of the evolutionary tree’ CT scan image of the entire interior skeleton of Trawdenia planti contained in the nodule.

Fossil fish with preserved brain sheds light on ‘bottom of the evolutionary tree’

Scans of a 300-million-year-old minnow reveal well-preserved neural tissues that can be used to study other early fish

Scientists unearth 2.6-million-year-old hominin fossil in Ethiopia Multiple views of the newly discovered Paranthropus partial left mandible and molar crown

Scientists unearth 2.6-million-year-old hominin fossil in Ethiopia

Lower jaw of Paranthropus, discovered by UChicago-led team, reshapes understanding of early hominins

UChicago study traces origin of flexible joints to early predator fish Blue and magenta stained joint

UChicago study traces origin of flexible joints to early predator fish

Study on early jawed vertebrates reshapes our understanding of joint evolution

Fossil shows how early mammals could swallow like their modern descendants Microdocodon gracilis

Fossil shows how early mammals could swallow like their modern descendants

Study challenges claim that 2-million-year-old fossil is human ancestor Fossil casts

Study challenges claim that 2-million-year-old fossil is human ancestor

How the brain distinguishes textures—from sandpaper to silk Finger holding a feather

How the brain distinguishes textures—from sandpaper to silk

Fossilized slime of ancient eel-like creature shakes up vertebrate family tree Thumbnail

Fossilized slime of ancient eel-like creature shakes up vertebrate family tree

Ancient fossil shows toddlers could climb trees and walk upright Thumbnail

Ancient fossil shows toddlers could climb trees and walk upright

First winged mammals from the Jurassic period discovered Thumbnail

First winged mammals from the Jurassic period discovered

Researchers help paralyzed man regain sense of touch through a robotic arm Robotic arm fist-bumping human arm

Researchers help paralyzed man regain sense of touch through a robotic arm