Swashbuckling military action in outer space occupies a hallowed place in American popular culture. But in the 1980s, fiction and reality fused in the form of President Reagan’s Strategic Defense Initiative, a “pipe-dream” of a missile defense program. Now, President Trump’s announcement of a US Space Force has brought militarized space fantasies back to the … Continued

Donald Trump was born on June 14, 1946. At that exact moment, the United States presented a blueprint for the abolishment of nuclear weapons to the United Nations Atomic Energy Commission. The rest is history.

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When it comes to future autonomous weapons, many governments say they want to ensure humans remain in control over lethal force. The example of the heavily automated air defense systems that militaries use to guard protected airspace shows that doing so will be difficult.

The coronavirus is spreading on the Navajo Nation through a population that decades of unsafe uranium mining and contaminated groundwater has left sick and vulnerable.

Zoonotic diseases come from animals, but human activity makes it easier for these infections to spread. Pandemics often originate with a poor decision by one person or a small group, one disease ecologist says.

In Moscow on July 27, 1989, at the offices of the Central Committee, a group of high-level officials gathered in the office of Lev Zaikov, the Soviet Politburo member who oversaw the country's military-industrial complex. Sixteen people in addition to Zaikov came to the session, a Politburo "commission" that included Foreign Minister Eduard Shevardnadze, KGB Chief Vladimir Kryuchkov, and Chief of the General Staff Mikhail Moiseev.

There was an encouraging sign after talks abruptly ended in Hanoi:  Neither side will walk away from diplomacy just yet, and the public messaging from both sides was positive. But there was also a worrisome sign: the inability to announce a date, even a rough one, for negotiators to meet again.

A preview of the Trump-Kim summit from Hanoi, Vietnam.