The House of Representatives speaker repeatedly said the UK can forget about a trade deal with the US if it fails to meet its obligations to the Good Friday Agreement.
Two scholars examine days of parliamentary debate to learn how British MPs talk about the 'Irish backstop' and maintaining peace in Northern Ireland.
These are the five options for Brexit: Theresa May's withdrawal agreement, staying in the customs union, staying in the single market, the so-called Common Market 2.0 idea or a no-deal Brexit.
Why a broad amnesty for Northern Ireland's Troubles remains unlikely.
How to make sense of the UK government's no-deal Brexit contingency plans to avoid a hard border in Ireland.
Westminster has consistently disregarded the concerns of the devolved administrations over Brexit.
The Brexit agreement between the UK and Ireland that few people are talking about – and why it's still not enough.
In a society where the past looms large, particularly around the issue of violent displacement, presenting an image of 'sanctuary' for those fleeing war is disingenuous.
Brussels is certainly firm on its red lines, but it's not as intransigent as many in the UK portray it to be.
The history of smuggling across the Irish border.
The question of what to do on the Irish border issue has become more about identity than practicality.
One of the architects of the Good Friday Agreement, David Trimble, is threatening legal action against a controversial part of the Brexit withdrawal agreement.
Why much of the fate of the Irish border lies in the future of the UK's customs arrangements with the EU.
A survey from before the referendum reveals what the people of Northern Ireland think about the peace deal.
If you're confused about the deadlock in the UK over its withdrawal from the European Union, or Brexit, this might help clear some things up.
Tailored VR technology is helping creating digital musical instruments that musicians with disabilities can play.
The Northern Ireland Assembly will be consulted on the backstop, but there will no veto.
Despite being in the eye of the Brexit storm, Ireland and Northern Ireland have a bright future together in documentary film.
The EU doesn't want a temporary solution to become permanent.
An EU law expert on what the attorney general's legal advice on Brexit means and its wider significance for the future.