William Mullen

Chicago's first "L" car, put into service in 1893 to carry visitors from the Loop to the World's Columbian Exposition, was hoisted Thursday into a museum's second story, elevating it...

Three spectacularly popular new exhibits at one museum in 2005 rescued an otherwise dismal year for attendance at 10 of the city's major museums. The Museum of Science and Industry...

One of the odder, more exotic outpatients in human medicine appeared at the doorstep of Loyola University's west suburban medical center Tuesday night, quickly rolled in on a gurney by...

Hoping to attract the attention of a girl in his class at Harlan High School on the city's South Side, Kevin McIlvaine volunteered in the 1970s to perform Rev. Martin...

Virus hunters, zoologists and epidemiologists from around the country will gather at Lincoln Park Zoo for four days next week to hammer together a plan to look for a deadly...

This winter, 30 full-time research scientists and 112 volunteers--some of them looking from head to toe like balls of shredded camouflage cloth--are combing through thousands of acres of swampy Arkansas...

Three young male wolves that came to live at Brookfield Zoo earlier this year soon will be moving on after one of them was injured in a confrontation with the...

Three young male wolves that came to live at Brookfield Zoo earlier this year soon will be moving on after one of them was injured in a confrontation with the...

Keo, a 47-year-old male chimpanzee at Lincoln Park Zoo, paced the floor of his non-public living quarters one recent afternoon, clearly annoyed with his keepers. In his rolling gait, he...

For decades birders and conservationists mourned the loss of the ivory-billed woodpecker, considering it symbolic of the terrible toll that human enterprise wreaks on the natural world. But in April,...