The mine that produced the uranium that made the Hiroshima bomb has since been closed. But its troubling legacy continues to haunt the Democratic Republic of Congo and the local community.
What are the implications of North Korea's claims to have detonated a thermonuclear weapon?
Acts perpetrated during the course of warfare have, through the ages, led to significant environmental destruction.
Wilfred Burchett wrote stories about war that the Australian and US governments preferred not to be told. For this, he paid the price.
In the West, it is often forgotten that 1945 marks the end of not only the second world war but also of a much longer period of political and social upheaval in Asia.
Japan has never apologised for many of the things it did during World War II – and nor does it tell its schoolchildren about them.
Any nuclear weapon exchange or major nuclear plant meltdown will immediately lead to a global public health emergency. What can we learn from past events to help prepare?
It's not just about weapons, nuclear science has changed practically everything around us – for the better.
US military censors contained information after the bombings at Hiroshima and Nagasaki, leaving Americans with a limited understanding of the impact of radiation.
From the air and on the ground: the reporters who told the HIroshima and Nagasaki stories to the American public.
News of the Hiroshima bombing spread quickly to the US public but, thanks to science fiction writers, atomic bombs were discussed more before the war began than during it.
Today's nuclear arsenals are so powerful that dropping a Hiroshima-size bomb every two hours for 70 years would not exhaust their destructive capacity. The global disarmament regime is broken.