Britain and the EU remain far apart on terms of a new trade setup, and the ruling party is split over what Brexit policy to support.
In remarks to the House of Commons, Johnson criticized Prime Minister Theresa May's plans for exiting the EU
Lawmakers narrowly rejected a measure that could have kept Britain in a customs union with the 28-nation bloc.
May revealed with an amused expression: "He told me I should sue the EU."
May's government was rocked Monday by the resignations of Boris Johnson and Brexit Secretary David Davis who quit amid divisions in the government over Brexit.
A leader of the campaign to take Britain out of the European Union, Johnson was under pressure to act after the resignation of David Davis as Brexit secretary.
Davis' departure could embolden Brexit-supporting Conservative lawmakers to challenge Prime Minister Theresa May's leadership.
Britain's prime minister presents her solution to the seemingly intractable problems of Brexit.
Aviation giant Airbus doubles down on Brexit warning to UK.
Divorce talks have stalled amid divisions within May's government about how close an economic relationship to seek with the EU after Brexit.
Health Secretary Jeremy Hunt said the warnings from businesses were "inappropriate" and undermined chances of getting a "clean Brexit."
Report said government officials have modeled three potential scenarios for a "no deal" Brexit: mild, severe and "Armageddon."
Powerful parliamentary committee accused government of empty rhetoric after the poisoning of former Russian spy Sergei Skripal.
If the government is truly committed to keeping executive pay in check, it shouldn't leave it to companies to distribute their wealth more fairly.
Splits within British government deepen over the UK's future economic relationship with the European Union.
The United States, France and Britain launched 'one time shot' in retaliation for gassing of civilians in Douma.
Moscow ignored a midnight deadline to explain how a nerve agent developed by the Soviet Union was used against Sergei Skripal, an ex-Russian agent.
The Prime Minister attempted to lay out her vision for housing in Britain - but everyone was distracted by something else.
Theresa set out her vision for Brexit, yet again, much to the irritation of some social media users.
Theresa May will outline five tests for Brexit in a keynote speech on Friday at Mansion House in London.
The British Prime Minister left some of her listeners red-faced when she turned the air blue with uncharacteristic after-dinner speech to political writers.
Foreign secretary Boris Johnson says that the issue of the Irish border is being used as a "proxy war" to thwart Brexit.