The added costs from trade-related red tape that will result from leaving the EU are certain and they will be costly for business and government.
Britain might want to play nice and exit calmly, but the French president must avoid giving ammunition to Frexiters.
Everyone is looking to the German leader to save the union in the wake of the Brexit vote.
New research shows how the financial crisis led to a dramatic shift in poverty across Europe.
President Erdoğan has described the failed coup as a 'gift from god'. And we can expect him to make the most of it.
Taking over a country by military force is much harder in this age of globalised rights.
Euroscepticism, referenda and debates about national identity: the similarities betwen Switzerland and the UK are striking.
How the new chancellor must do to mitigate the economic effects of Brexit.
Obama has said he expects European allies to chip in their fair share of defense spending, and European public opinion supports it. But as a Tufts expert points out, many challenges in Europe remain.
The second organisational pillar of the European order isn't as threatened as the EU – but there's trouble ahead.
The Brexit vote was the outcome of the disillusionment and disengagement that have permeated the UK. Many Europeans share that mood, which is why both the UK and EU need radical democratic surgery.
Angela Merkel and François Hollande are now alone at the top table, and there are no prizes for guessing who is drawing up the seating plan.
Radical right populists are on the brink of power in Austria and making gains across the region. And the European leaders who once were willing to publicly condemn them are silent now.
There is debate among lawyers on whether the process for a Brexit, once begun, can be stopped.
What leaving the EU means for research, student experience and higher education reforms.
There are plenty of reasons to reject the consensus that Brexit will be costly to the UK economy.
An EU-wide network of funding and researchers delivers around £1bn a year of support to UK science.
Spain is already calling for joint sovereignty but Gibraltarians are unlikely to stand for that.
How the Brexiters won it on the night.
Rolling reaction from the US, Russia, France, Poland, Greece, Australia and Belgium to the UK's decision.