Nuclear decay, neutron capture, fission, and fusion are the four major nuclear reactions. The understanding, use, and control of nuclear reactions is one of the most profound scientific accomplishments. Although chemical reactions of everyday...

In nuclear physics, a nuclear reaction is a process in which two nuclei or nuclear particles collide to produce products different from the initial particles. In principle a reaction can involve more than two particles colliding, but because the...

A three-year veil of secrecy in the name of national security was used to keep the public in the dark about the handling of highly enriched uranium at a nuclear fuel processing plant _ including a leak that could have caused a deadly, uncontrolled nuclear...

The Nuclear Regulatory Commission reversed a three-year secrecy policy and said Tuesday it would release hundreds of documents involving the troubled operations of a Tennessee nuclear fuel processing plant.The commission said it had directed its staff to review and make public some 1,900 documents that...

Seymour Cray wanted to talk to his sister. But it was already after bedtime, and the young Crays were supposed to stay in their beds. Young Seymour had a strategy: If he could figure out how to rig a communication system between his room and...

History hovers nearby at the Lyric Opera of Chicago, where John Adams' ambitious but uneven work about the creation of the atom bomb is being staged just a few miles from the site of the world's first controlled nuclear chain reaction."Doctor Atomic," which had its...