In a natural sciences academic program, many branches of the field might be explored in depth with the goal of observing and learning about nature. Some of these branches may include astronomy, biology, physics, ecology and chemistry.

The United States of America commonly called the United States, is a federal republic consisting of fifty states and a federal district. The 48 contiguous states and the federal district of Washington, D.C. are in first North America between Canada and Mexico. The state of Alaska is in northwestern North America, west of Canada and east of Russia across the Bering Strait, and the state of Hawaii is an archipelago in the mid-North Pacific. The country also has five populated and nine unpopulated territories in the Pacific and the Caribbean.

A master program may be offered in a variety of different fields, allowing students of almost any subject to enhance their knowledge and improve their credentials. This degree generally takes one to three years to obtain, although requirements may vary.