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.
Bats use energy stored in their muscles to lift off -- and scientists caught the process on video.
The first peer-reviewed research on the increasingly Internet-famous disorder
How the IDF is handling the changing dietary preferences of its servicemen and women.