The leadership candidates needed the signatures of 35 MPs to make the ballot. Here's who backed whom.
A lively debate is raging over whether Scottish Labour should go it alone. That may cause more problems than it solves.
The party is divided over whether the presence of the left-winger on the ballot will help or hinder it.
Introducing our special themed week about party membership, running from 15– 19 June 2015.
Labour will spend the next five years outside power - with Liz Kendall, we can make sure it's not ten.
My priority in the run-up to the budget will be relief for middle and lower earners. But George Osborne looks determined to give a handout to the rich.
How do ethnic minority voters differ on immigration from the public at large?
100 local councillors have endorsed Stella Creasy in an open letter to the New Statesman.
It's vital that the government secures a global deal on climate change at the Paris summit. Our futures depend on it.
Surely Jeremy Corbyn owes it to his leftwing supporters to accept a helping hand from Andy Burnham, if he's within touching distance of the ballot paper?
The adoption of living wage contracts is one way that the party could reduce the damage from cuts to tax credits.
"Dynamic, articulate and engaging."
Jamie Reed's proposal that Labour merge with the Liberal Democrats is simply a ruse so Labour can finish what they tried to do at the election: wipe out the Liberal Democrats.
Far from deciding the outcome, the trade unions will be largely incidental to selecting Labour's leader.
What happened to the Green Surge, and why aren't the Greens on a par with their European equivalents?
As the last bubbles drip from the champagne bottles that welcomed the Modern Slavery Bill on to the statute books, champions of the UK’s anti-trafficking legislation should take a sober look at what they've woken up with.
The reconfiguration of Scottish politics means a rethink is needed in England and Wales.
I’m nominating Rushanara Ali so another voice will be heard. I urge my fellow MPs to do the same.
The Liberal Democrat leadership frontrunner on future coalitions, the Labour leadership contest and how his party can recover.
Leadership frontrunner says the Tories and Labour would have to promise the automatic introduction of proportional representation.
It’s hard to find a more genuine, decent person in politics than Andy, and I think people will connect with him at a time when we’re battling scepticism and apathy as much as we’re fighting the other side.
Labour's chastening defeat has led some to claim the party is abandoning its commitments on tax. But that's a myth.
As Labour's London constituency parties' endorsements have rolled in, it looks like Tessa Jowell and Sadiq Khan will have a tough fight to the finish.
Prezza for Stella may sound like I’m after a lager, but I think Creasy could refresh parts of the party other candidates cannot reach.
The party will need to decide whether to make the case for investment or to embrace fiscal conservatism.
The failure of state education in so many white working class areas is utterly unacceptable. Not to talk about it or to have any answers for how we overcome it, equally so.
Both Andy Burnham and Liz Kendall have reasons to be cheerful after the GMB hustings.
2015 might not be rock bottom for Labour. It's vital the party picks the right leader.
Helping the city's commuters is one of the biggest jobs of London's Mayor - and I should know.
The Tory MP for Richmond Park, Zac Goldsmith, announces his intention to run for the mayoralty.