WASHINGTON (Reuters) - Reports that billionaire Elon Musk has held multiple calls with Russian officials, including President ...

Secretary of State Antony Blinken warns that North Korea is benefiting from aiding Russia in its war against Ukraine by ...

Russia will temporarily limit exports of enriched uranium to the US, the government said on Friday.

Ukrainian Foreign Minister Andrii Sybiha said on Wednesday he was "cautiously optimistic" after discussing with U.S.

NASA and Russia at odds over cause and severity of the International Space Station's leak risks, including possibility of ...

The trilateral Freedom Edge exercise comes after North Korea launched a nuclear-capable missile and sent troops to Russia.

U.S. and Polish officials have opened a new NATO missile defense base in northen Poland. Polish officials welcomed it as a ...

Polish President Andrzej Duda has expressed confidence that US President-elect Donald Trump will not allow Russia to destroy ...

"Regardless of domestic political shifts, (Washington) consistently pursues a sense of containing Moscow...the change of ...

The United States is concerned by Russia's growing relationship with North Korea and by what technology the two countries may ...

Limits creates potential supply risks to utilities operating American reactors that generate almost a fifth of the country’s ...

Questions remain over how U.S. support for Ukraine would continue under a second Trump administration as Russia continues its ...