Images reveal activity at two Iranian nuclear sites, suggesting that Tehran may be obscuring its efforts to salvage any ...

The United States and Russia could embark on an unrestrained nuclear arms race for the first time since the Cold War, unless they reach an eleventh-hour deal before their last remaining arms control ...

By Mark Trevelyan Jan 30 (Reuters) - The last Russia-U.S. nuclear arms control treaty, known as New START, is due to expire ...

Oil rose slightly on signs the U.S. ‍may engage in dialogue with Iran over its nuclear program, reducing concern over ...

Russia has proposed a de facto one-year extension of New START, but the president has yet to commit.

A novel apparatus at the U.S. Department of Energy's (DOE) Argonne National Laboratory has made extremely precise measurements of unstable ruthenium nuclei. The measurements are a significant ...

Ukraine faces serious new nuclear-safety risks as a result of Russian strikes aimed at degrading its power grid, depriving ...

The era of nuclear arms control officially ends next week. On Feb. 5, New START, the last such treaty between the United ...

U.S. allies and partners in the Middle East again are urging restraint from both the United States and Iran as the Trump administration warns of a possible strike and builds up its military presence ...

Volunteers who helped restore an Edinburgh nuclear bunker are worried someone will be hurt because of safety issues.

In this piece, we’ll check in on a few nuclear energy names that might be worth a second look now that the AI-driven hype has ...

Once the New START treaty ends, we will have returned to an era without limits, when arsenals can reach unconstrained heights.