The definitive, minute-by-minute guide to every billionaire around the globe. See who's up, who's down and who's a new member of the three-comma club.

The Endangered Species Act (ESA) provides a framework to protect and recover species at risk of extinction, both domestically and abroad. Enacted in 1973, it has been credited with saving 99 percent ...

Microbiology is the study of microscopic organisms, such as bacteria, viruses, archaea, fungi and protozoa. This discipline includes fundamental research on the biochemistry, physiology, cell biology, ...

The General Bulletin is an annually published, point-in-time compilation of the university's departments, degree programs, and requirements, as well as a catalog of courses departments can offer ...