William Mullen

In the wild, the life of green sea turtles is an extraordinary odyssey in which primeval instinct guides them across hundreds of miles of open ocean to retrace a trip...

In 1988, the Shedd Aquarium took a big gamble and went out to raise $45 million while laying the foundation for the first major addition to its 1931 building. The...

In a surprising move, Paul Heltne resigned as president of the Chicago Academy of Sciences Tuesday, stepping aside just as the institution is about to complete its flashy $33 million...

Among the more than 2 million artifacts housed in the Field Museum's capacious storage vaults are something like 6,000 musical instruments collected from living and dead cultures the world over,...

For those who have whined about travel delays and problems at the airport during the last week of weather nightmares--lost luggage, missed appointments or those crummy seat-attached TVs--consider this: At...

So far, about 400 human beings have traveled into space. For the rest of Earth's 6 billion people, an out-of-this-world journey seems highly unlikely. Still, as of Friday anyone can...

If the good-looking bruiser who now hangs around the gorilla habitat at Brookfield Zoo's Tropic World looks slightly familiar, you may know his mug from a bit part in a...

Like Superman using X-ray vision, two Israeli scientists are using medical imaging equipment to read 4,000-year-old cuneiform messages on tablets still sealed tightly inside ancient clay envelopes. The imaging equipment,...

Finding out that blind children who have been sightless since birth use the same hand gestures as they talk as children with normal eyesight is giving University of Chicago researchers...

A curious-looking dinosaur giant with a crocodile's face and powerful Popeye-like forearms is making paleontologists reconsider theories of how long it took the world's continents to split off from one...