
Astroethics and Cosmocentrism
As astronomers forge ahead in their search for alien life, the ethical questions a discovery would raise are becoming more urgent
Steven J. Dick is the former NASA chief historian and the former Baruch S. Blumberg NASA/Library of Congress Chair in Astrobiology. He is the author or editor of 20 books, including, most recently, Astrobiology, Discovery, and Societal Impact (Cambridge, 2018). In 2006, Dick received the LeRoy E. Doggett Prize from the American Astronomical Society for a career that has significantly influenced the field of the history of astronomy. Minor planet 6544 Stevendick is named in his honor.

Astroethics and Cosmocentrism
As astronomers forge ahead in their search for alien life, the ethical questions a discovery would raise are becoming more urgent

The Transit of Venus
When Venus crosses the face of the sun this June, scientists will celebrate one of the greatest stories in the history of astronomy