William Mullen

For motorists who use Lake Shore Drive, Tuesday brings just a mild taste of what lies ahead-months of barricades, backups and headaches. But when it's all finished, the face of...

Sometime in October, Theresa Robot, an ultrasound technician at St. Francis Hospital in Evanston, will be back at the John G. Shedd Aquarium peering once again at the private parts...

Gorillas, it turns out, are just as nervous as humans are these days about spending too much time in the damaging ultraviolet rays of direct sunlight on hot summer days....

Sitting for months now in the dark, deep freeze of the South Pole, Jamie Lloyd has been a happy guy since a cargo plane recently made a successful midwinter airdrop...

Like Noah collecting for his ark, Chicago zoo workers cheated the rising waters of the Missouri River in June, rescuing eggs of a graceful, nearly extinct bird whose call once...

Ron Baltierra remembers the crisp Vietnam night being rich with stars and the three armed figures walking straight toward him in the rice paddy just south of Saigon. He spotted...

Under a tiny patch of earth in a remote area of Tanzania trampled by elephants, giraffes, hyenas and other beasts are buried perhaps the most tantalizing set of footprints in...

Since 1931, generations of men migrating from small towns and farms to work in Chicago spent their first nights or weeks at the Lawson YMCA Hotel at Chicago Avenue and...

It is a fact that few people know or appreciate: Fully one-fourth of all mammal species, the animal classification for everything from humans to cows and whales and elephants, are...

Two baby penguins spent Monday and Tuesday busily pecking their way out of their eggs at the Shedd Aquarium, becoming the first two captive animals to be bred and born...