Could Ukraine produce a nuclear bomb and transborder missiles to halt Russia’s invasion? A global expert on atomic arms war-games this puzzle and its consequences.

Russia dramatically intensified missile and drone attacks across Ukraine this month in an effort to sap Ukrainians’ morale – but it is also stepping up ground attacks in many areas along the long frontline,

Berlin is charting a new course in its European defence strategy as Chancellor Friedrich Merz pledges direct support for Ukraine’s independent long-range missile development, in a break from

Heavy Russian airstrikes: Russia pounded Ukraine with hundreds of missiles and drones between May 24 and 27. Battlefield assessment: The Russian military maintained its offensive footing, exerting heavy pressure on Pokrovsk and Toretsk.

Security and defence analyst Michael Clarke is back answering your questions in his weekly Q&A on the Ukraine war. Watch along in the stream below now and submit your questions to join in.

German Chancellor Friedrich Merz has pledged to help Ukraine develop its own long-range missile systems that would be free of any Western-imposed limitations on their range and targets.

American weapons are important, but Ukrainian drones have changed everything.

After the collapse of the Soviet Union, little has been done to contain Russia’s consolidated dominance in the murky waters of the Black Sea.

Results from today’s battlegrounds strongly suggest that drones, AI, and other novel technologies favor the defender, with nuclear weaponry supplying a backstop in some cases.

Amid worldwide demand and slow production of Patriot missiles, few countries are willing to send more to Ukraine. The U.S. also fears antagonizing Russia.