A nationwide air raid alert was sounded in Ukraine early on Thursday, with reports of explosions in several cities. The ...

Lucy Easthope, an adviser in emergency management and response, gives Yahoo News insight into how prepared the UK really is ...

Russian President Vladimir Putin warned that Russia might target decision-making centers in Kyiv using its new hypersonic ...

Moscow unleashes second major strike on power sector in two weeks in what Ukrainian president Zelensky calls ‘vile escalation’ ...

Ukraine said the attacks targeted energy infrastructure. President Vladimir V. Putin said they were retaliation for Kyiv’s ...

Ukrainian officials say Russia has conducted a “massive” attack against Ukraine’s energy infrastructure, firing nearly 200 ...

Russia’s second major aerial attack on Ukraine’s power grid in less than two weeks amplified fears that the Kremlin aims to ...

In this volatile and extremely uncertain landscape, South Korea has little to gain and much to lose by taking premature ...

Russian President Vladimir Putin says that Ukraine’s "decision-making centers" in Kyiv could be targeted next using a new ...

President Vladimir Putin said on Thursday that Russia would use all weapons at its disposal against Ukraine if Kyiv were to ...

A Russian strike on energy infrastructure in western Ukraine on Thursday left more than 1 million people without power, ...

‘Never been one.’ Perkovich’s definition of a nuclear threat is literal and rare—if not controversial. He said that, as far ...