William Mullen

President John McCarter of the Field Museum loves to see photographs of the far-flung expeditions his institution sends out across the world, but he is especially partial to a satellite...

President John McCarter of the Field Museum loves to see photographs of the far-flung expeditions his institution sends out across the world, but he is especially partial to a satellite...

It used to be that you had to look pretty carefully at the buildings in the 600 block of South Michigan Avenue if you wanted to find the Spertus Institute...

For hundreds of thousands of years, female rhesus macaques have successfully ruled highly regimented societies in which the queenly alpha females control families, territories and resources, taking their followers into...

With a body as big as an elephant and a bizarrely toothy face at the end of a 6-foot neck, a skeleton unveiled Thursday by University of Chicago paleontologist Paul...

A familiar face has disappeared from the wet side of the window set into the Lincoln Park Zoo's seal pool with the death of a gregarious, gentle, 36-year-old harbor seal...

There aren't many people who lived through the 20th Century, including learned philosophers, scientists and thinkers, whose lives and work so forcefully altered the human intellectual landscape as did that...

Brookfield Zoo has reassigned the supervisory keepers who had been in charge of its tigers after two Amur tiger cubs were maimed, with the male cub dying over the weekend....

A federal zoo inspector is scheduled to visit Brookfield Zoo to investigate a bloody incident in an animal holding area last week in which a 4-month-old tiger cub lost his...

If you want to know how to get from Canal and Washington Streets to 5th and Jefferson Streets in Huron, Ill., the only map around to consult was drawn in...