Russia's Defense Ministry admitted Ukraine targeted its Kursk region with U.S.-supplied Atacms missiles, striking an ...

The question everybody from Washington to Warsaw is asking is how Donald Trump plans on managing the war in Ukraine.

To understand how Ukraine, of all places, became where the world at large was introduced to this alleged wonder weapon, we ...

Opinion: "The expanded permissions and new weapons come too late to give Ukraine an advantage on the battlefield or more ...

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

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

Newsweek used maps produced by Alex Wellerstein, a professor and historian of nuclear technology, to assess what the impact ...

Russia’s President Vladimir Putin on Thursday launched a massive attack on Ukraine’s energy sector, forcing emergency power ...

The US decision to allow Ukraine to fire deeper into Russia has not raised the nuclear attack risk, but Moscow is likely to ...

Alexander Stepanov pointed out that "this also applies to intermediate-range high-precision systems such as the Tomahawk and ...

Officials initially resisted such a move, citing escalation concerns and uncertainty over how Putin would respond. Some of ...

Russia is likely to expand a campaign of sabotage against European targets to increase pressure on the West over its support for Kyiv, said two senior officials, a lawmaker and two congressional aides ...