William Mullen

Frances Vandervoort knows that when she starts talking to strangers about her hobby of collecting sand, most of the time they wonder if she's a little nuts. "You can just...

With his Brookfield Zoo keepers watching, often with lumps in their throats, a 3-year-old gorilla male has spent the last three months learning to make his way in the world...

Hundreds of visitors to Lincoln Park Zoo apparently were so busy ogling the animals on exhibit Thursday that they didn't notice a coyote trotting among them along a public pathway...

A little more than a year after the opening of the Shedd Aquarium's elaborate Wild Reef exhibit hall, shark babies--known as pups--are beginning to show up, a sure indication that...

Much of the fish sold as red snapper, a familiar and expensive favorite of seafood lovers for its firm texture and nutty flavor, isn't red snapper at all, according to...

Perhaps no exhibit in the history of museums anywhere has stunk up the place more than "The Disappearing Pig Program" this summer at the Peggy Notebaert Nature Museum. Its concept...

With our two small boats already scraping bottom 40 yards off the sharp, rocky shoreline, we--like Christopher Columbus and his landing crew--had to disembark and wade ashore to our first...

Some of the most fascinated spectators at Lincoln Park Zoo's new $25.7 million ape house are the animals themselves, who have been spending much of their time staring at each...

Recently Brookfield Zoo keepers put five Mexican gray wolves into a new outdoor exhibit space covering 2.1 acres of previously unused zoo land that had been home to ordinary squirrels,...

Two African dinosaurs introduced Tuesday by University of Chicago paleontologist Paul Sereno are shining a new light on the mystery of how and when Africa, South America, India and Antarctica...