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

missiles

Qased rocket before launch

Iran’s space launches are not a cover for missile work. Until they are.

By John Krzyzaniak | Nuclear Risk

Russian air defense systems. Credit: Vitaly V. Kuzmin CC BY-SA 4.0 via Wikimedia Commons

The international significance of Russian aerospace defenses

By Ivanka Barzashka | Disruptive Technologies, Nuclear Risk

Pakistani nuclear forces, 2018

By Hans M. Kristensen, Robert S. Norris, Julia Diamond | Nuclear Notebook, Nuclear Risk, Nuclear Weapons

A history of US nuclear weapons in South Korea

By Hans M. Kristensen, Robert S. Norris | Nuclear Notebook

Worldwide deployments of nuclear weapons, 2017

By Hans M. Kristensen, Robert S. Norris | Nuclear Notebook

Seeking a path toward missile nonproliferation – An Indian response

By Waheguru Pal Singh (WPS) Sidhu | Uncategorized

Seeking a path toward missile nonproliferation – A Turkish response

By Sitki Egeli | Nuclear Risk

Seeking a path toward missile nonproliferation – A Japanese response

By Masako Ikegami | Uncategorized

Pakistani nuclear forces, 2016

By Hans M. Kristensen, Robert S. Norris | Nuclear Notebook

Rip currents: The dangers of nuclear-armed submarine proliferation

By Andrew C. Winner, Ryan W. French | Uncategorized

Declassified: US nuclear weapons at sea during the Cold War

By Robert S. Norris, Hans M. Kristensen | Nuclear Notebook

Pakistani nuclear forces, 2015

By Hans M. Kristensen, Robert S. Norris | Nuclear Notebook