Matthew Whitaker, U.S. Ambassador to NATO, discusses China's influence on the ongoing Russia-Ukraine war, and the need for an ...

Business Insider got access to a NATO AWACS flight for an eight-hour surveillance mission over Eastern Europe.

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

Ukraine’s top military commander Gen. Oleksandr Syrsky called on President Trump to provide long-range missiles capable of ...

Another attempt at peace talks between Ukraine and Russia is on the horizon amid Russia's continuous assault on Ukraine.

The two sides agreed to have a prisoner exchange of 1,200 people, National Security and Defense Council Secretary Rustem ...

Ukrainian drones hit Russia's Sochi resort while Russian forces bombarded Odessa's residential areas and historic Pryvoz ...

It is a pivotal moment in Ukraine as Kyiv announced it will hold another round of peace talks with Russia on Wednesday. It's ...

Others with a stake in Ukraine’s security and relations with Russia must stay engaged too, argues the Nobel Peace Prize ...

You can see the tendency to caricature Trump at work in the reactions to his evolving Ukraine policy. Plenty of thoughtful, ...

If Russia wins in Ukraine — however victory is defined — Putin will be flush with self-confidence and arrogance, his ...