Matt Wood

Microdocodon gracilis

Fossil shows how early mammals could swallow like their modern descendants

Train tracks

Area of brain associated with spatial awareness is crucial to decision making

El Olivar

Ancient DNA helps scientists study human evolution: ‘It’s like a time capsule’

Monarch butterfly

Monarch butterflies bred in captivity may lose ability to migrate

Illustration of brain

AI studies reveal the inner workings of short-term memory

Siberian hamsters

Siberian hamsters lose half their weight each winter. Scientists sequenced their DNA to find out how.

Monk Parakeets

Escaped pet parrots are now naturalized in 23 U.S. states, study finds

Fossil casts

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

Finger holding a feather

How the brain distinguishes textures—from sandpaper to silk

Thumbnail

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