Radioactive isotopes have been discovered by Russia's state weather agency in test samples more than two weeks after a mysterious and deadly explosion earlier this month at a naval weapons testing ...

Physicists have found a new “island of inversion” in the nucleus of molybdenum-84, a perfectly balanced atom with equal ...

Naturally-occurring deuterium stable isotope ratios can potentially be used to trace water resource use by animals, but estimating the contribution of isotopically distinct water sources requires the ...

BELOIT—NorthStar Medical Radioisotopes in Beloit says it welcomes the news by federal agencies that there is now an adequate supply of a key isotope used in thousands of medical imaging tests without ...

A California-based company has reached an important milestone in its advanced nuclear energy development ...

Each day in the United States, roughly 56,000 patients have a test that can help diagnose heart problems, cancer progression in bones and other medical conditions. The most common version is a nuclear ...

If confirmed, a new analysis would double the number of tests the country is known to have conducted and suggest that North Korea is trying to develop powerful warheads for its fledgling nuclear ...