Has the Ukraine war spread to Russia? Here's what we know so far about reports of battles being fought across the border in Russia Military • 24 May
The role of women's activism in the fight for Ukraine's freedom Culture, politics and survival motivate Ukrainian women to take action, reminiscent of those who took part in Euromaidan protests a decade ago Ukraine • 17 May
How photographs put spotlight on 'famine denial' in 1925 Ireland The 1925 food supply crisis in Ireland generated unprecedented American newspaper photography with far-reaching consequences History • 18 Apr
The battle for Bakhmut: a fierce struggle and devastating losses There is a heavy cost being paid for modest progress in Bakhmut with both sides bogged down in the spring thaw Military • 08 Mar
Why Kyiv's western allies must rethink limits of military aid "Range anxiety" is central to understanding the protracted nature of the limited war being fought between Russia and Ukraine Military • 22 Feb
Russia-Ukraine war has nearly doubled energy costs worldwide The war has pushed economies into recession, caused higher inflation, and put painful cost-of-living pressures on vulnerable households Energy • 24 Feb
Will Russia still be able to get soldiers to fight in Ukraine? A year into a war Moscow expected to win easily, there are growing signs of anger, frustration and resistance from Russian soldiers Military • 21 Feb
What happens next in Ukraine? Here are 3 possible scenarios Given the failure to predict the war, is there any chance we could do a better a job of assessing how it might develop? Military • 20 Feb
What's the outlook on energy for Europe? A year on from Russia's invasion of Ukraine, volatility continues to be key theme shaping the energy landscape Energy • 03 Feb
Ukraine war: how will the next few months unfold? While the outcome of the war is hard to predict, neither side seems currently placed to inflict decisive damage on the other Military • 27 Jan
Will Leopard 2 tanks be a game-changer in Ukraine? A consignment of these high-powered battle tanks will undoubtedly raise Ukraine's combat capacity in the coming months Military • 25 Jan
Why can't the West agree on military support for Ukraine? Germany's indecision over its Leopard tanks reflects the lack of a clear strategy in how the West is approaching the war in Ukraine Military • 24 Jan
What can we expect in 2023 from Putin's energy war on Europe? The Russian regime has been weaponising energy supply for years and this issue is not going away in 2023 Energy • 04 Jan
Why Germany is grappling with its past, present and future While it may not be obvious from the outside, German political and public discourse is currently undergoing tremendous change Germany • 12 Dec 22
Are Russia's attacks on Ukraine's power grid a war crime? Bombing aimed at damaging civilian morale does not offer a military advantage and should be regarded as unlawful Military • 08 Dec 22
What could missile attack on Poland mean for the rest of Europe? The missile which struck a village in Poland is a significant incident and will require careful management Military • 16 Nov 22
Why Putin's Kherson defeat could be his most humiliating yet Here are 3 reasons why Russia's defeat in Kherson loss could prove decisive in the war in Ukraine Military • 10 Nov 22
Are sanctions against Russia working? We can only assess if sanctions work if we are clear about what their purpose is Economics • 02 Nov 22
What, if any, are the chances of toppling Putin in Russia? Any speculation on leadership or regime change must take the ongoing war and Russian military failures into account Russia • 28 Oct 22
What are 'dirty bombs' - and why is Russia talking about them? These weapons use conventional explosive mixed with radioactive materials designed to contaminate large areas Military • 27 Oct 22
Why 'General Winter' is not good news for the Russan army Fighting and moving efficiently in severe winter conditions takes a great deal of experience, logistics and training Military • 26 Oct 22
Could the Ukrainian war spread to Irish waters? Ireland's sea and air borders are wide open for those with hostile intent, money and the capability to cause mischief Maritime security • 19 Oct 22
Why Russia has moved to attack civilians in Ukraine The missile attacks on Ukraine's major cities this week are an indication of how much pressure Putin and Russia are under Military • 12 Oct 22
How is the US responding to Russian threats to go nuclear? The Biden administration believes "strategic ambiguity" is the best way to deter Russia from going down the nuclear path Ukraine • 07 Oct 22
What are tactical nuclear weapons? Tactical nuclear weapons are substantially more destructive than their conventional counterparts even at the same explosive energy Military • 06 Oct 22