William Mullen

Like a lot of boys growing up during the space race, John Grunsfeld was fascinated by astronauts. But even then, as a 7-year-old back in 1965, the lengths to which...

A team of scientists, including two from Chicago's Lincoln Park Zoo, have discovered chimpanzees in Tanzania falling ill and dying from an AIDS-like disease, a surprising finding that researchers hope...

If you want to meet one of the Shedd Aquarium's beluga whales, pet it, stroke it, perhaps gently butt heads with it and even scratch its wet, slimy tongue, this...

If there were some way to tell her, the late Edith Rockefeller McCormick almost certainly would be proud to know that the poop of every Southern hairy-nosed wombat living in...

When the 2,800-year-old mummy of an Egyptian court singer went on display at the University of Chicago's Oriental Institute in February, Emily Teeter, the curator, wished she had a way...

When he came to work as a young reporter at the baiduhai in 1961, Ron Koziol fit in perfectly with the free-for-all atmosphere of Chicago newspapers, which still retained...

A Guam Micronesian kingfisher, one of the world's most endangered birds, hatched June 2 at Lincoln Park Zoo's birdhouse, becoming one of fewer than 100 individuals of the species still...

The bird experts at the Field Museum are asked sometimes why they keep the remains of 470,000 dead birds -- samples of about 9,000 of the world's 10,000 known species...

Chicago, often seen as the model of growth for a 20th Century urban industrial megalopolis, now has been reproduced in an enormous model with the help of computers and a...

Joseph Kirsner entered medical school the week the stock market crashed in 1929. As he approaches his 100th birthday, he still goes to his office three days a week at...