Three experts spoke to Newsweek about the possibility of Moscow firing nuclear weapons into Ukraine as tensions escalate.

Putin's goals in Ukraine remain the same: weakening Ukraine's ties to NATO, hindering Ukrainian nationalism and territorial ...

The U.S. decision to allow Ukraine to fire American weapons deeper into Russia has not increased the risk of a nuclear attack ...

The Pentagon says the Oreshnik is a tweak of Russia’s RS-26 Rubezh missile, an intercontinental ballistic missile (ICBM) that ...

It would be "insane" for the West to give Ukraine nuclear weapons, Russia's foreign ministry has said, in response to reports ...

Russia’s decision to fire a ballistic missile at Ukraine on Nov. 21 may be considered a “mock nuclear strike,” expert Robert ...

Russia on Wednesday warned the U.S. to stop what it said was a “spiral of escalation” over Ukraine as Washington moves to ...

South Korea’s president met a Ukraine delegation and called for a joint response to North Korea's sending soldiers to support ...

The terrifying Sarmat missile's development has been marred by setbacks, including one which suffered a "catastrophic failure ...

There's no credible evidence Trump, as president-elect, said he would "make sure" Biden doesn't let Ukraine use U.S.-supplied ...