Boris Johnson wants to leave by the end of January 2020 and hopes to have a trade deal agreed within a year.
With a further extension the EU hopes to facilitate the ratification of the withdrawal agreement and thus ensure an orderly Brexit
MPs were supposed to vote either for or against the prime minister's deal in a special weekend session. But things didn't quite work out like that.
The prime minister has come to a new agreement with Brussels. But the question is whether he can get it through the UK parliament.
The deal put forward might win the prime minister support at home but Brussels also has to get on board.
All the drama has played out in the UK lately – with very little regard for whether any of the options under discussion would be acceptable to the EU.
The EU is loathe to let treaties fail, given the sunk costs of negotiating them, but it may walk away if Johnson doesn't change his tune.
The Conservatives need to think beyond Theresa May, and consider once again what it is to be a conservative.
Years after voting to leave the EU, the UK still has no clear plan of how to make Brexit work. These five articles chart the history of an intractable problem.
The UK has until October 31 to get its house in order.
Members of the European Research Group are right to compare themselves to ancient Spartan warriors. Behind their combative stance, they seem to have no plan for when the Brexit war is over.
The Labour leader doesn't really want another referendum, he wants an election – and striking a deal with the prime minister makes one less likely.
American companies still face enormous uncertainty about how they'll be doing business in the UK and EU in the coming years, particularly as the April 12 Brexit deadline draws closer.
After the initial relief that the party leaders were working together comes the realisation that they both risk splitting their parties if they strike a deal.
It's easy, now, to think of this as Theresa May's story – but Thatcher, Blair and Cameron all played their part.
One wrong turn after another has left the British prime minister cornered.
After a full day with her top team, the prime minister says she wants to thrash out a deal that both she and the opposition can live with.
MPs were never expected to produce a concrete decision in their first round of indicative votes. There is some material to work with now.
How parliament and executive came to be locked in their Brexit impasse.
Northern Ireland and Scotland don't seem to have heard the rallying cry, despite being more Remain than England.