New documentary 'A Compassionate Spy' reveals the crisis of conscience that led Manhattan Project physicist Ted Hall to spy for the Soviets, and how his spouse Joan kept his secret

Scientists thought the chances of an A-bomb destroying Earth were 'near zero.' We know now that climate change could obliterate humanity, but we continue along our destructive path

The blockbuster biopic delves into the mind of the 'father of the atom bomb,' a lonely man tortured by his achievements, at once surrounded by and isolated from his own community

Now in theaters, Christopher Nolan’s movie about the man behind the A-bomb shows a struggle between pragmatism, humanism and ambition - and the solace of a Jewish friendship

Corroborating earlier reports, IAEA says inspectors found traces of material at 83.7% purity in Fordo; Tehran says it's only enriched to 60%, which already has no civilian use

While previous intel assessments said Iran would need 2 years to assemble weapon, NYT finds growing gaps in West's knowledge of Tehran's progress, particularly at Fordo site

UN nuclear chief Rafael Grossi urges more transparency from Tehran, says 'good words' not enough

Remarks come days after Revolutionary Guard threatens to turn New York into 'hellish ruins' through nuclear warheads it could mount on its long-range missiles

Physicist Lisa Meitner discovered nuclear fission soon after fleeing Nazi Germany 1938, but the Nobel Prize was given to a man as she saw her breakthrough used in ways she opposed

At scaled-down ceremony due to coronavirus pandemic, survivors call on Japan, international community to increase efforts to eliminate nuclear weapons