William Mullen

A deadly but hard-to-detect bacteria that sometimes is found in beached whales and dolphins in the wild has been pinpointed as the killer of a young male dolphin at Shedd...

In 1951, when their national association last gathered in Chicago, geographers were mostly a bunch of guys who wore sensible outdoor shoes and talked about maps and rocks and the...

Damen was a master at raising money. He was comfortable with bankers, leveraging loans out of already mortgaged church property. He was adroit at talking parish housewives out of "a...

"We are shaping kids' values. That's what we blatantly get to do here," says religion teacher Mike Sinkus. "We are not proselytizing and baptizing people in the back rooms. We...

In 1984, Tomas Ramirez left his decidedly ethnic, blue-collar Pilsen neighborhood on Chicago's South Side as the first of his family to go off to college. The son of an...

When an animal dies in a zoo or an aquarium in this era of animal rights activism, the emotional outburst that follows often masks the glaring reality of how little...

If you ever thought you missed your calling and should have gone to medical school, there may be an answer-minus the cadavers and sweat-inducing anatomy finals. Or if last week's...

A 20-million-year-old monkey skull found last year in Chile high in the Andes Mountains is feeding a theory that prehistoric African animals at least once floated to South America on...

Something unnatural and menacing that overwhelmed the waters of Scotland's Loch Lomond in the 1980s is moving into the Great Lakes. A fish never before seen in the British Isles,...

So far, Tique, a 9-year-old female Pacific white-sided dolphin, doesn't look any different, but her keepers at the Shedd Aquarium's Oceanarium seem positively radiant these days. Thursday night, they announced...