NATO aircraft were scrambled Sunday night to respond to a Russian attack on Ukraine, the Polish military said Monday.

NATO chief Mark Rutte is pushing the Allies to swiftly build up their jet fighters and missiles to avert an all-out war with ...

As the front lines froze, and air defenses got better, Russia and Ukraine pivoted away from close bombing runs to standoff ...

Analyzing Putin's concerns amid the Ukraine war, NATO tensions, and nuclear strike possibilities. A look at global security ...

Analyzing Trump's statements on NATO protection for Ukraine, Article 5 implications, Zelenskyy's role, and potential impact on Russia.

A Ukrainian air force officer was arrested and charged with spying for Russia by leaking the locations of Kyiv’s prized F-16 ...

President Emmanuel Macron's hawkish and vocal advocacy for Ukraine's defense has gone hand-in-hand with French avoidance or ...

The Ukrainian military said a Russian missile strike on a training facility in the north of the country killed at least three ...

An American defense investor in Ukraine offers exclusive insights on Kyiv's grassroots military buildup and the velocity of ...

During his visit to the U.K. on Monday, President Donald Trump expressed further frustration with Russian President Vladimir ...

Western defense companies are increasingly establishing new presences in Ukraine and working directly with Ukrainian ...

Officials say Russian glide bombs and ballistic missiles have struck a Ukrainian prison and a medical facility as Russia’s ...