Mushroom cloud of 'Gadget' over Trinity, seconds after detonation

75 years ago today, the Trinity atomic bomb test ushered in the era of nuclear warfare

The 75th anniversary of Trinity is worth marking, if not celebrating, both as a scientific achievement and as a signpost of the challenge that humankind has faced ever since to manage its own capacity to self-destruct

A screenshot from the 18th Airborne Corps' Twitter account

The 18th Airborne Corps is releasing previously classified documents about the Army's Atomic Age on Twitter

The 18th Airborne Corps is telling the story of the Army's Atomic Age on its official Twitter account using previously classified military documents