Britain's third female prime minister beat Johnson's former finance chief Rishi Sunak for the top job on a platform of sweeping tax cuts that won over the Tory rank-and-file.
According to The Times, he intends to join the race to succeed Liz Truss, believing that it is in the "national interest".
The crisis-hit PM, elected Conservative leader just six weeks ago on a tax-slashing platform, announced her resignation Thursday.
The S&P 500 index was set to open lower on Thursday after the resignation of Liz Truss as prime minister of the UK added a layer of uncertainty to markets struggling to hold on to gains from a set of positive earnings forecasts from U.S.
The European Space Agency announced Thursday it will use SpaceX's Falcon 9 rockets to launch two scientific missions because of delays to its own Ariane 6 rocket and the cancellation of flights on Russia's Soyuz launchers.
Prime Minister Liz Truss resigned Thursday following a failed tax-cutting budget that rocked financial markets and which led to a revolt within her own Conservative Party.
Embattled British Prime Minister Liz Truss on Thursday acknowledged a "difficult day" after a key minister resigned and MPs rebelled.
The Palace plans to "quietly" adjust Camilla's title and is hoping that the "consort" will just naturally drop off.
United are now just one point off the Champions League places and could leapfrog Chelsea when the sides meet at Stamford Bridge on Saturday.
Amazon.com Inc is launching a home insurance portal in Britain and has signed up three big-name insurers as it pushes further into financial services across the globe.
British banks are bracing for a potential tax hit to their profits as the government scrambles to plug an estimated 40 billion pound ($45 billion) hole in its finances.
British Prime Minister Liz Truss's insistence that she would not quit after sparking a financial crisis was met with howls of laughter, incredulity and shouts of "resign, resign" as she spoke in the House of Commons on Wednesday.
British Prime Minister Liz Truss insisted she would not quit on Wednesday as she faced questions from booing MPs at her first Question Time session since abandoning her disastrous tax-slashing economic policies.
British inflation jumped back above 10 percent in September on soaring food prices, official data showed Wednesday.
European Union leaders meeting this week are set to endorse the bloc's latest proposals to curb energy prices, but pressure Brussels to go further and cap the price of gas used in power generation, according to a draft of their meeting conclusions.
British Foreign Secretary James Cleverly said on Wednesday the treatment of a protester seen being pulled into the grounds of a Chinese consulate and beaten was "unacceptable" while the Consul-General said demonstrators had stormed its grounds.
In the quiet Romanian village of Vasilati, where most houses are heated with wood, people worry about their power bills even though Romanians consume the least electricity per capita in the European Union and many have cut back use all they can.
The German government approved a plan on Wednesday to spend 6.3 billion euros ($6.1 billion) over three years to rapidly scale up the number of charging stations for electric vehicles across the country, as part of its push towards net zero emissions.
A damning report Wednesday found that 45 babies who died at two British hospitals might have survived if their care had been up to standard, in the latest UK maternity scandal.
France's government acknowledged Wednesday that it had to "do better" on illegal immigration after it emerged that an Algerian woman charged with the murder of a 12-year-old girl had been ordered to leave the country.
Norway's Prime Minister Jonas Gahr Store on Wednesday accused "foreign intelligence" services of being behind a recent slew of "unacceptable" drone flights in the country, indirectly pointing the finger at Russia.
British Prime Minister Liz Truss's humiliating budget U-turn shows how markets can wield influence over government fiscal policy.
This "dramatic" accident has sparked debate over stricter regulations on France's hunting traditions.
British Prime Minister Liz Truss sought to reassert authority over her fraught party on Wednesday with Conservative enforcers telling lawmakers they had to support her fracking policy as a vote treated as a test of confidence in the government.
Rishi Sunak has entered the picture once more after losing to Truss during their bid to replace Boris Johnson.
Britain's competition regulator has ordered Facebook-owner Meta to sell animated-images platform Giphy on Tuesday after a tribunal upheld its view that the acquisition could damage its rivals and remove a potential competitor in advertising.
Britain told China's Charge d'Affaires in London that the right to peaceful protest must be respected, after he was summoned to explain an incident in which a protester was seen being pulled into the grounds of a Chinese consulate and beaten.
British company owners are pulling investments as a crisis triggered in Westminster pushes up borrowing costs and hits confidence in an economy once seen by businesses as a haven of stability.
The victim received five fatal blows to the head in November 2013.
European shares rose for the fourth straight session on Tuesday, building on the previous session's rally that was driven by Britain's historic reversal its fiscal plan, with investors keeping a watch on earnings to gauge the economic outlook.
