[1] The magazine publishes news and opinions relevant to the Earth and space sciences, as well as in-depth features on current research and on the relationship of geoscience to social and political questions.

Launched in 1920, the first volume was reprinted from volume 6, number 10 of the Proceedings of the National Academy of Sciences as National Research Council Reprint and Circular Series, number 11, and appeared under the title Scientific papers presented before the American Geophysical Union.

[4] In 1945, it increased its publication to six times a year and began accepting peer-reviewed articles on Earth and space science topics.

Although Eos is not a peer-reviewed journal, it maintains a board of Science Advisers representing the various scientific disciplines of AGU.

Eos has won numerous awards, including those from the Washington, D.C., chapters of the American Institute of Graphic Arts[8] and the Society of Professional Journalists.