Russian President Vladimir Putin has approved changes formally lowering the threshold at which his country can consider a ...

The warning was unusual for its specificity as Russian air attacks have become a common, near-daily occurrence in Ukraine.

The combined total of nuclear warheads held by 9 countries exceeds 12,100 units, but according to data from Arms Control, ...

US scientists made a breakthrough in fusion energy, discovering a new fuel mix that could improve efficiency and reduce ...

President Vladimir Putin's spy chief warned the West on Wednesday that it risked disastrous consequences if the United States ...

The escalated tensions in the Eastern European country come after Biden authorized Ukraine to use U.S.-supplied missiles ...

The U.S. embassy in Ukraine says Russia could launch a "significant air attack" on Kyiv after U.S.-made missiles were fired ...

Futures for the Dow, S&P 500 and Nasdaq are rising Wednesday as the stock market awaits an earnings report from AI chip maker Nvidia.

Russia has announced a new nuclear doctrine, lowering the threshold for the use of nuclear weapons. "This is a reaction to ...

Hungary is moving toward allowing an increase in the cost of a contract with Russia to expand its sole nuclear power station ...

The warning arrived amid fears that the war could escalate, a day after Ukraine's military first launched U.S.-made ...

What are Russia's mobile nuclear bunkers as mass production begins? - Russian officials say the bunkers are ‘an important ...