William Mullen

When the Shedd Aquarium opened its temporary Sea Horse Symphony exhibit in 1998, it was supposed to last just 18 months displaying the odd and charming creatures. The exhibit will...

Pterodactyls, the fierce-looking flying reptiles that thrived in the days of dinosaurs--some with wingspans as wide as a Learjet--came equipped with flight instrumentation that should make 21st Century aeronautical engineers...

Uncertain about what to do with his life after finishing junior college in 1959, John O'Brien answered a help-wanted ad for a newspaper reporter. Two weeks ago Mr. O'Brien was...

A vast, seldom-visited storage room in the Field Museum has resounded with sacred ceremonies this week as a delegation of Haida people reclaimed the remains of about 150 of their...

In the 16 years since Bubba the grouper was dropped off in a bucket on the doorstep of the Shedd Aquarium, he has turned from a girl into a boy...

In 1926, when Louis S.B. Leakey was 23 and about to launch his career searching for evidence of the first humans and how they evolved, he already displayed the contrariness...

A male Pacific white-sided dolphin born Sunday in Shedd Aquarium died Thursday afternoon after failing to learn to nurse from its mother, Tique, an 18-year-old female that had conceived through...

Feeling as though their political leaders had been co-opted by Chicago's reigning Democratic political machine, a group of independent African-American community leaders conspired in 1982 to persuade U.S. Rep. Harold...

Feeling as though their political leaders had been co-opted by Chicago's reigning Democratic political machine, a group of independent African-American community leaders conspired in 1982 to persuade U.S. Rep. Harold...

Though the Peggy Notebaert Nature Museum is best known locally for butterflies and for celebrating nature in the Chicago region, Jane Goodall credits the institution for changing the course of...