William Mullen

In 1600, about the time Europeans had exhausted their forests of wood to burn, they began to burn coal — the first in a series of events that have culminated...

As a tree scientist, Edith Makra spends her days at the Morton Arboretum thinking about, studying, planting and protecting trees — a subject she finds so compelling that her idea...

Though the oil hemorrhaging from BP's exploded offshore platform in Louisiana remains more than 100 miles from Florida's Sarasota Bay, the spill has become the worst nightmare of a Chicago...

Justin Burton, a University of Chicago physicist, is no hockey fan. He comes from Cincinnati, and therefore roots for the Reds (baseball) and Bengals (football). But he has been giving...

If Paul Knappenberger's plans unfold as he envisions, the Adler Planetarium's parking lot will sprout a shiny glass building to house an out-of-this-world exhibit. In fact, the focus of that...

If Paul Knappenberger's plans unfold as he envisions, the Adler Planetarium's parking lot will sprout a shiny glass building to house an out-of-this-world exhibit. In fact, the focus of that...

After setting up a "camera trap" in a grove of trees not far from Roosevelt Road, Alison Willingham and Seth Magle were returning to their car at a hotel parking...

After setting up a "camera trap" in a grove of trees not far from Roosevelt Road, Alison Willingham and Seth Magle were returning to their car at a hotel parking...

After a lone bat was found in Missouri last week with a mysterious fungus, Illinois authorities took quick action. They closed all six state-owned caves enjoyed by the public and...

After a lone bat was found in Missouri last week with a mysterious fungus, Illinois authorities took quick action. They closed all six state-owned caves enjoyed by the public and...