The U.N. atomic watchdog's board is holding a special session to discuss risks to nuclear safety in Ukraine as concerns mount ...

The risks of this stand-off have been contained over the years by various arms-control agreements, most recently New START. But that treaty expired this week, with no replacement. To make matters more ...

The last remaining nuclear arms control treaty between the United States and Russia is set to expire Thursday, leaving the ...

WASHIGNTON, D.C. — The last nuclear treaty between Russia and the United States expired Thursday, abruptly ending decades of ...

Trump, Putin, and Xi can and must put the world on a safer path by taking commonsense actions to build down the nuclear danger,” said one campaigner.

WASHINGTON, Feb. 6 (Xinhua) -- The White House has allowed the U.S.-Russia New Strategic Arms Reduction Treaty (New START) to formally expire on Thursday, ushering in a new era of nuclear uncertainty ...

The treaty put meaningful limits on the nuclear arsenals of both countries, but now it has expired with no plans to replace it.

When President Trump and Keir Starmer, prime minister of the United Kingdom, signed a deal to rapidly expand nuclear power in the U.K., nuclear stock prices soared to record highs. But the boom ...

The first capsules of high-level radioactive waste have been removed from a water-filled pool at the Hanford nuclear site to prepare them for safer dry storage in steel-lined, reinforced-concrete ...

Nuclear energy is one of the most polarizing topics when it comes to ways of generating electricity. On one hand, there are those who believe nuclear is a much better alternative to fossil fuels and ...

On that day, the landmark New START treaty between the United States and Russia will officially expire, removing the last ...