Ahead of the US midterm elections on 3 November, President Trump continues to make unsubstantiated claims that mail-in voting leads to widespread fraud.
US states have different voting rules and regulations - but every state allows some postal voting, a method the president says he has used in the past.
BBC Verify visited an election centre in Maryland to get a behind-the-scenes look at how mail-in ballots are processed and counted.
Produced by Mabel Pickering. Graphics by Sally Nicholls.
BBC Verify has pieced together defeated presidential candidate Flávio Bolsonaro's journey through Brazil, Argentina and Ecuador to reach Miami.
BBC Verify has pieced together defeated presidential candidate Flávio Bolsonaro's journey through Brazil, Argentina and Ecuador to reach Miami.
Texas Democrat James Talarico was missing from the Senate campaign trail for nine days and said he had flu. Some conservative influencers falsely claimed he was receiving treatment at an Ohio mental health facility, but footage showed him at a festival in Texas at the time.
Rules on the recording and filming of executions differ between state, federal and military regulations.
The US aircraft carrier was set to return in May but the war with Iran has kept it at sea on one of the longest deployments ever.
The death penalty is back in the news after Christa Pike survived two lethal injection attempts in Tennessee - but how widely used is it in the US?
President Trump has faced criticism after fronting adverts which were paid for by the US government.
BBC Verify used ship-tracking websites to follow UK and French vessels which monitored the migrant boat in the English Channel.
BBC Verify looks at footage showing the aftermath of a strike on a building in southern Iran.
A small boat has crossed the English Channel carrying 230 people. BBC Verify looks into whether the boats are getting bigger.
Pubs, social clubs and live music venues in England will be given a 20% cut to business rates, funded by a review of tax relief on businesses like vape shops.
BBC Verify debunks Trump's claim of a "suspect" referee following Folarin Balogun's World Cup red card.
The education, health and welfare systems are no longer fit for purpose in preparing young people for adult life, a new report says.
AI-generated images from the Met Gala have spread on social media - we explain how to spot the fakes.
BBC Verify has been looking into whether the US blockade of Iran near the Strait of Hormuz is working.
The BBC's Analysis Editor Ros Atkins looks at the questions around the way Buckingham Palace has responded to the various accusations against the King's brother.
Revelations over Peter Mandelson’s links to convicted sex offender Jeffrey Epstein have raised questions about how he became ambassador. Our Analysis Editor Ros Atkins reports.
Two years after the 7 October attacks, dozens of hostages remain in Hamas captivity. BBC Verify has been examining what we know about them.
The BBC's analysis editor looks at a decision that leading Democrats have called "an abuse of power".
Using footage and flight data, BBC Verify has pieced together what we know so far about the Air India crash in Ahmedabad.
