How to manage the 310-mile border between Northern Ireland (part of Britain) and Ireland (part of the EU) after Brexit has flummoxed officials in London, Brussels and Dublin.

CARRICKCARNAN, Ireland – The land around the small Irish town of Carrickcarnan is the kind of place where Britain's plan to leave the European Union runs right into a wall — an invisible one ...

An exploration of Brexit's impact on the Northern Ireland/Republican of Ireland Border, with a detour into the Irish Civil ...

For Unionists in Northern Ireland, who are often culturally Protestant, the border affirms their British identity, retaining their connection to the UK and entitlement to claim Britishness.

Because both Northern Ireland and Ireland belonged to the E.U. in 1998, the truce that ended the conflict allowed the two sides to implement a soft border between them.

Steve Inskeep talks to Irish columnist and author Martina Devlin about the key issue in the ongoing Brexit negotiations: the border that separates Northern Ireland and the Republic of Ireland.

The frictionless border is understood there as part of the the peace settlement in Northern Ireland, following the 1998 Good Friday Agreement. So too the “all-island economy” that it creates.

A motorist travels across the Irish border near the town of Middletown, Northern Ireland, on March 12. (Peter Morrison/AP) Last week, I drove across the Republic of Ireland in under 15 minutes ...

The complexity of the Irish border issue defeated former Prime Minister Theresa May and is testing her successor, Boris Johnson. That complexity is due to the EU’s unique nature.

Everything you need to know on how the Irish border was created. In 1922 Sir Austen Chamberlain described the Irish border as “a compromise, and like all compromises is illogical and ...

The U.K. has only one land border with the European Union. But that could be enough to scupper a Brexit deal. How to manage the 310-mile border between Northern Ireland (part of the U.K.) and ...

By Megan McArdle Washington Post DUBLIN — Last week, I drove across the Republic of Ireland in under 15 minutes. Okay, I cheated a little. Starting in Belleek, at the far western tip of North… ...