William Mullen

The morning after Christmas in 1999, frantic keepers at the Shedd Aquarium hauled the dying young queen of their beluga whale collection from an off-view medical pool, trying to find...

A place that once was a lush island continent brimming with dinosaurs but now forms a frigid desert plateau at the top of the world is the next fossil-hunting target...

After an exhausting weekend struggle with the end stages of kidney disease, Babs the gorilla was dead. The five Brookfield Zoo keepers who knew her best asked everybody else to...

Sira, one of the Shedd Aquarium's original Pacific white-sided dolphins, died Friday morning in a medical pool where keepers had spent two days trying to save the 20-year-old female from...

Treasures from the grave of Tutankhamun--the Egyptian boy king whose name still carries magical public allure 3,000 years after his death--will come to the Field Museum of Natural History, which...

Jennifer McElwain is a paleobotanist, but geologists everywhere may soon be cheering her for giving them a tool to solve long-baffling puzzles. By "reading" tiny bits of fossilized leaves from...

Shedd Aquarium will close to all visitors for 11 days in January while work crews put finishing touches on new exhibits and gussy up old ones to prepare for a...

Perhaps the most powerful fashion and cultural trendsetter of her generation, the late Jacqueline Kennedy has also proven a big box-office draw for museums, and the Field Museum is banking...

Maggie arrived at the Brookfield Zoo nine years ago, suffering from a host of familiar midlife complaints: Overweight and listless, she rarely interacted with the other orangutans. Her complexion was...