All Site Posts

Planetary Society Radio: In the Footsteps of Carl Sagan Listen

alt

Interview on the Planetary Society Radio podcast titled In the Footsteps of Carl Sagan.

Conversation About Our Origins Read

NOVA

A conversation about the origins of the universe, life on Earth and in the cosmos, and a few of the astrophysical challenges confronting scientists today.

Commission on Implementation of the United States Space Exploration Policy Read

Moon to Mars Report

Final report from the Presidential Commission on Implementation of the United States Space Exploration Policy.

Launching the Right Stuff Read

Natural History Magazine

Reviving the debate about whether it is better to send people, robots, or some combination of both into space.

American Scientist Interview Read

American Scientist Magazine

Interview about cosmic origins with American Scientist, the magazine of Sigma Xi, the scientific research society.

Let There Be Light Read

Natural History Magazine

The remarkable implications of the form and structure of the cosmic microwave background radiation.

In the Beginning Read

Natural History Magazine

The first few moments of the universe are in reach of our theories and, for the first time, in reach of our experiments.

The NewsHour with Jim Lehrer Watch

PBS NewsHour

Interviewed on PBS's NewsHour with Jim Lehrer regarding the 2003 close encounter with Mars.

An Open Letter to Congress on Near Earth Objects Read

An open letter to the United States Congress on Near Earth Objects.

A Perfect World Read

Astrobiology Magazine

A piece that appeared in Astrobiology Magazine about hopes for the future.