The Russia-Ukraine war, launched by Russian President Vladimir Putin in February 2022, has fueled nuclear concerns across the globe. The invasion of Ukraine strained already-frayed relations between Russia and the U.S., as well as the North Atlantic Treaty Organization ( NATO ), a military alliance of the U.S., Canada and European allies.

New images assessed by Business Insider show new roadworks, buildings, and modifications, with some sites undergoing rapid expansion.

In terms of the safety and security of the arsenal, Russia’s is “roughly on par with other nuclear arms states,” said Sanders-Zakre. “Of course any country can have accidents,” she said.

President Trump's tone has shifted both toward Putin and regarding the continuation of U.S. military support for Ukraine.

The U.S. has seen no change to Russia’s nuclear posture, according to a U.S. National Security Council official who was not authorized to comment publicly and requested anonymity. As a result…

Images of tanks on Russian streets brought to mind the failed 1991 coup by communist hardliners that raised concerns about the security of the Soviet nuclear arsenal and the possibility of a rogue ...

Even though the nuclear doctrine's rubber-stamping coincided with the Biden administration green-lighting ATACMS use in Russia, the U.S. National Security Council said it had not seen any reason ...

Over the past year, Russia has engaged in a campaign of violence against the basic principles of nuclear security. Such reckless misconduct demands the world’s attention—and our action.

Today, Russia is believed to have the largest nuclear arsenal in the world, including 1,000-2,000 tactical nuclear weapons, says Hans Kristensen, head of the nuclear information project at the ...

Russia said on Tuesday that it detected a rise in international tensions and was monitoring developments after Britain's Times and Telegraph newspapers reported that the United States had stationed nuclear weapons in Britain for the first time since 2008.

During the summer of 2016, members of President Barack Obama’s national-security team secretly staged a war game in which Russia invades a NATO country in the Baltics and then uses a low-yield ...