The United States has not tested a nuclear weapon since 1992.REF However, given the deteriorating security environment, it may need to do so once again.

According to Cirincione, the U.S. is spending $70 billion a year on new nuclear weapons and an additional $30 billion on missile defense systems. That money has a tangible effect on the ...

Ms. Fihn is the director of Lex International Fund and a former executive director of the Nobel Peace Prize-winning International Campaign to Abolish Nuclear Weapons. It’s easy to feel ...

Nine countries are known to have nuclear weapons, but it is the US and Russia that still account for almost 90 percent of the ...

Tensions are escalating between nuclear-armed states. But nuclear weapons are not an inevitable fact of human life. They are not impossible to get rid of, and pushing for that can be done by ...

Nuclear-weapons physicist Greg Spriggs rates eight nuclear-explosion scenes in movies. He analyzes the portrayal of nuclear detonations and their effects in Steven Spielberg's "Indiana Jones and ...

A declassified list of US nuclear targets spanning 1,100 locations across Eastern Europe, Russia, China, and North Korea, has been published by the National Security Archives. Founded in 1985 by ...

The Chinese government has claimed that it has been "forced" to develop nuclear weapons as a United States official issued a warning about China's weapons of mass destruction program. Newsweek has ...

An effective strategy to detect smuggled nuclear weapons would also benefit enormously ... forces a terrorist group to alter its plot, the effect is even more powerful. Tools for detecting nuclear ...

Imagining the horror of Hiroshima and the destruction that would be caused if nuclear weapons targeted my reservation has inspired my advocacy work to fully retire America’s ICBMs and taking ...

Russian Foreign Minister Sergey Lavrov, an ally of Russian President Vladimir Putin, has reiterated a nuclear weapons warning against countries "testing our resolve," saying Moscow will safeguard ...