William Mullen

The Shedd Aquarium announced Monday it would lay off 44 full-time employees--16 percent of its staff of 267--because of declining attendance, a months-long trend that worsened after the terrorist attacks...

One day in 1948, Maria Goeppert Mayer, a University of Chicago research physicist who had been troubled for years by a stumbling block in her studies on stable atomic isotopes,...

Hands down, the most popular field trip destination in the Chicago area this fall should be an exhibit on rhinotillexomania and eructation opening Saturday at the Peggy Notebaert Nature Museum....

Two beluga whales at the Shedd Aquarium have proved that, despite scientific evidence to the contrary, in beluga society it doesn't necessarily take three or more participants to get in...

Two major cultural institutions, the Field Museum and Brookfield Zoo, are eliminating their admission fees this weekend to offer themselves as places of quiet refuge after this week's terrorist attacks....

Even as public concern grows over the accelerating extinction of species, the scientists who traverse the globe to collect, identify and enumerate the world's plants and animals also have been...

Pretty soon, the cows in the dairy barn at Lincoln Park Zoo will have to leave the city and get used to working at 5 a.m. again. A popular field...

An almost perfectly preserved skull found last year in the Gobi Desert by the Field Museum's new dinosaur expert is solving the mystery of how a toothless group of beaked...

Surrounded by hundreds of Tlingit Indians brandishing ritual maces and clubs Monday, representatives of five major American museums happily turned over a priceless cache of Tlingit artifacts taken 102 years...

Two hundred painted Tlingit Indian dancers, draped with traditional robes adorned with likenesses of killer whales, eagles, ravens and bears, gave a rousing welcome home here Monday to a dozen...