William Mullen

After admiring the beauty of fish from all over the world, about 40 guests will retire to a room at the Shedd Aquarium on Sunday to learn how to slice...

When she came to live at Brookfield Zoo in 1984, Christy was 4 years old and a 1,000-pound waif who had been living in a suburban garage with another juvenile...

In September 1608, Hans Lipperhey, a German lens grinder living in Holland, appeared at the palace of a Dutch prince to demonstrate a device he had made by inserting glass...

Jim Steffen reeled off names from a long list of missing species: Turk's cap lily, Joe-Pye weed, two-flowered Cynthia, zig zag goldenrod, maidenhair fern, silky wild rye. "You go into...

There is hardly a day out of the year that Jane Dewar doesn't eagerly hop in her car and drive out to spend time with two of her dearest friends....

Affie, a female African elephant about to turn 40 and be feted at her birthday party June 13, died Friday afternoon after keepers found her lying on her side, unable...

A mother of four children and a financial specialist in government and non-profit agencies will take over as the new president and chief executive officer at the Chicago Academy of...

The last known rattlesnakes still living in the Chicago area are being rounded up in an emergency species survival rescue effort. Jointly conducted by the U.S. Fish and Wildlife Service,...

One day in 1967, as best Rena Sereno can remember it, the mother of six had to make an important, lengthy phone call from her modest Naperville home, so she...

A male beluga whale born at Shedd Aquarium in 2000 died of a bacterial blood infection March 28 at Point Defiance Zoo and Aquarium in Tacoma, Wash., according to a...