The authoritative guide to ensuring science and technology make life on Earth better, not worse.

Edward Teller

How do humans make sense of the bomb? A photo essay.

By Robert Del Tredici, Gordon Edwards | Analysis, Hiroshima & Nagasaki, Multimedia, Nuclear Energy, Nuclear Risk, Nuclear Weapons

1950: What the scientists are saying about the H-bomb

By Albert Einstein, Edward Teller | Nuclear Weapons

American scientists as public citizens: 70 years of the Bulletin of the Atomic Scientists

By D. Kaiser, B. Wilson | Uncategorized

Geoengineering and the politics of science

By C. Hamilton | Climate Change