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

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How civil society can help monitor and verify nuclear arms control

By Sara Al-Sayed | Disruptive Technologies, Nuclear Weapons

Orionid Star Trail Composite. Credit: ikewinski. Accessed via Creative Commons. CC BY 2.0.

Satellites and climate change threaten the night. This October meteor shower celebrates it.

By Susan D’Agostino | Climate Change