The new first minister represents a party that does not acknowledge Northern Ireland's six counties as separate from the 26 counties in the Republic of Ireland. The historic moment has huge implications, David Blevins writes.

Almost seven years on from the Brexit referendum, there remains uncertainty over the future UK-EU relationship. Reflecting on the lessons from the last seven years, Neil Kinnock argues there remains a clear case for the UK being an economic, political, social, scientific and cultural part of the Europe of the future.

Joint research by Belfast’s two main universities finds plurality of Northern Ireland residents think they’ll be out of the UK within next 2 decades.

"It's like a turkey voting for Christmas, isn't it?" / A farmer’s passionate speech about Brexit from 2019 has been making the rounds on social media – with one person saying it “could have been made yesterday”.

What should we call a project that poleaxes the economy, destroys our global reputation and threatens political stability in Northern Ireland? If we had known what would come to pass, how would we have voted on it six years ago?

With a potential trade war looming, Conservatives are stuck in an ever-more destructive disagreement over what Britain should look like outside the EU.

While the picture’s hardly pretty and certainly not what advocates of Brexit envisioned, none of it surprises economists. As a former Bank of England official observed: “You run a trade war against yourself, bad things happen.”

Continuing the letter to Jacob Rees-Mogg, reminding him – he seems to need reminding – of the many new opportunities created by Brexit.

An expected snap election in Northern Ireland would become a mini-poll on post-Brexit trade arrangements.

Even the keenest Brexiteer must feel that the process has been tortuously long. / That has been, in large part, because successive British governments have refused to accept the trade-off between untrammelled sovereignty and friction-free access to the EU’s single market, a refusal that shapes today’s increasingly testy relationship.

The Protocol has reaffirmed Unionism's worst fears that Northern Ireland is the unwanted child of the British government.

Sinn Fein's Michelle O'Neill says Brexit is a gamechanger, but the DUP's Arlene Foster doesn't consider Irish unity inevitable.

UK PM Boris Johnson had been wildly happy about his new EU exit deal; then he introduced a law undermining both it, and the last round of trade negotiations. Speaking with two former permanent secretaries of the UK’s EU exit department, Matt Ross asks whether Johnson is applying firm leverage – or deliberately sabotaging the trade talks.

Fiach Kelly: The main threat from a crashout is political and constitutional, not economic.

As Brexit looms, nationalists in Northern Ireland are increasingly looking to Dublin for representation. Now, as Ben Kelly explains, political parties are responding in new, innovative ways.