If the UK does secure a deal with the EU, it's not clear that parliament would back it. Here are some scenarios for what could happen next.
Despite the problems that lie ahead with the Brexit plan Theresa May hammered out at Chequers, the EU prefers a Brexit deal rather than a 'no deal'.
The history of Lords defeats – and why the fate of the EU (Withdrawal) Bill is not a constitutional anomaly.
Tensions with Russia and the US have made both partners in the Brexit negotiations more aware of their shared interests than they seemed to be a year ago.
The EU faces three key challenges over Brexit: avoiding a no-deal scenario, managing the ticking negotiation clock and ensuring its own unity.
Michel Barnier has published a 100-page document outlining how the EU sees Brexit happening. And there are some pretty controversial suggestions.
For a full 12 months, this prime minister has encouraged and entrenched harmful divisions, particularly over Brexit.
The UK government surprised everyone by meeting the criteria to progress to the next phase of talks. Here's what that actually means.
A new survey suggests the British public are most in favour of a Norway-style deal with the EU.
A treaty on citizens' rights in a moral obligation and legally possible too.
The balance of power in Brexit talks is firmly with the EU.
The white paper proposing post-Brexit legal changes is deceptively technical. In reality, it has much wider implications.
What the British prime minister said in her letter to the EU – and what she meant.
Will the UK have to pay a vast sum of money to the EU in order to leave it – or will it get cash back?
Next the negotiations begin, and Britain has two years to negotiate a trade deal with the EU if it wants to avoid the WTO cliff edge.
The ones to watch on either side of the negotiating table.
The starting gun has been fired but political pressures on both sides of the Channel make a settlement a tall order.
The two-year period for withdrawing from the EU has been launched, so what happens next?
There are 27 member states left in the European Union. Somehow, they all need to agree on what they want from Brexit.
From the fall of the Romans to the Middle Ages, Britain was more prosperous when it fostered a relationship with Europe.