Russian President Vladimir Putin on Tuesday lowered the threshold for a nuclear strike in response to a broader range of ...

A decree signed by the Russian leader, though long-planned, came days after President Biden authorized the use of ...

President Vladimir Putin has approved Russia's updated nuclear doctrine to share the country's nuclear deterrence with its ...

Caspar Veldkamp, Minister of Foreign Affairs of the Netherlands, has welcomed the US decision to allow Ukraine to use ...

Russia's state nuclear corporation Rosatom, the world's largest supplier of enriched uranium, said on Monday it was ...

President-elect Donald J. Trump’s pick to be the director of national intelligence has raised alarms among national security ...

President Biden will allow Ukraine to carry out long-range strikes on Russian targets, according to reports. How could it ...

Sometimes it is hard to compare the eruptions of remote volcano to potential blasts at more well-known volcanoes. I try to ...

A Russian lawmaker calls President Biden's decision to let Ukraine fire U.S. missiles deep into Russia a "very big step ...

A Russian politician spoke about Biden's new push to send missiles to Ukraine, threatening that more support from the US will ...

President Joe Biden’s decision to let Ukraine strike targets inside Russia with U.S.-supplied long-range missiles is being ...

How are world leaders approaching the transition to Trump? Plus, climate-change experts are preparing for another fight. It's ...