Wild pigs are running rampant—and doing billions of dollars of damage each year.

But two simple changes can help.

The ocean’s bivalves might hold a few clues to the great mysteries of aging.

The wildlife biologist Jeff Sikich talks about the famous cat, its habitat, and how to keep yourself—and your pets—safe.

A montage of a very cute and impossibly contagious phenomenon

A new pop-up book imagines how Chicago’s ecosystem might evolve in a world with fewer humans.