William J. Broad

Over the past six years, the Bush administration has spent almost $100 million on a highly classified program to help Pakistani President Pervez Musharraf secure his country's nuclear weapons, according...

Iran's president declared Tuesday that his country's nuclear program is nearing an important milestone, even as international atomic inspectors reported that they had found unexplained traces of plutonium and that...

Presenting a united front against Iran, President Bush and President Vladimir Putin of Russia agreed to press Iran to reverse itself and accept a compromise allowing it to enrich uranium,...

U.S. and British intelligence analysts with direct access to the evidence are disputing claims that two mysterious trailers found in Iraq were for making deadly germs. In interviews over the...

Every day, Norma Wallace spends several hours reading a chapter or two in seven books. She favors history, philosophy, literature, math, puzzles and sometimes college entrance tests. It is all...

The two men identified themselves as pilots when they came to the emergency room of Holy Cross Hospital in Ft. Lauderdale in June. One had an ugly, dark lesion on...

A secret federal intelligence assessment completed earlier this year concludes that Iraq, North Korea and Russia probably are concealing the deadly smallpox virus for military use, government officials say. The...