Steam rises from the stakes of the coal-fired Jim Bridger Power Plant outside Point of the Rocks, Wyoming. The US supreme court on Tuesday delivered a major blow to President Barack Obama by blocking federal regulations to curb carbon dioxide emissions from power plants. Photograph: Jim Urquhart/Reuters

The US supreme court has delivered a major blow to President Barack Obama by putting on hold federal regulations to curb carbon dioxide emissions main(...)

Republican candidate Donald Trump and Democratic candidate Bernie Sanders. Photographs: Reuters

Billionaire Donald Trump and socialist Bernie Sanders won their New Hampshire primary elections, the second contest in the US presidential race, in vi(...)

Donald Trump, the Republican presidential candidate, will be hoping that unlike his performance in Iowa, he can convert a consistent poll performance into a victory at the New Hampshire primary. Photograph: David Goldman/ AP Photo

Voters cast their ballots in the first primary election in the US presidential race in New Hampshire on Tuesday. Coming eight days after the inaugur(...)

 French journalist and author Nicolas Hénin: ‘Bashar al-Assad is responsible for between seven and 10 times as many civilian deaths as Islamic State.’  Photograph:  Mustafa Yalcin/Anadolu Agency/Getty Images

Nearly five years after it started, the war in Syria has claimed some 300,000 lives. Now the Russian air force is pounding the country’s second city, (...)

Election posters outside Government Buildings in Dublin as the 2016 general election campaign gets underway. Photograph: Niall Carson/PA Wire

Crowdfunding may be more commonly associated with the latest innovations and technology – or indeed cat cafes – but it has also been used to good effe(...)

Republican presidential candidate John Kasich  in the spin room after the Republican candidates’ debate in New Hampshire. Photograph: Reuters/Rick Wilking

Some New Hampshirites have stopped answering their phones. The calls come several times a day from pollsters asking how they will vote in Tuesday’s “f(...)

Syrians fleeing the northern  city of Aleppo wait  in Bab Al-Salam, near the city of Azaz, northern Syria, near the Turkish border crossing. Photograph: Bulent Kilic/AFP/Getty Images

Turkey is under pressure to admit 40,000 Syrians who have been camped on the border between the two countries after fleeing the biggest Syrian governm(...)

Democratic US presidential candidate Hillary Clinton: Bernie Sanders’s populist surge has led some top Democrats to wonder if Barack Obama will have to step in and endorse her campaign. Photograph: Adrees Latif/Reuters

Hillary Clinton first grabbed the national spotlight 47 years ago as an idealistic young feminist, chiding the paternalistic establishment in her Well(...)

Republican presidential candidate Donald Trump (left) confers with fellow candidate Marco Rubio(right) during a break in the Republican presidential candidates debate on Saturday at St Anselm’s College Institute of Politics in Manchester, New Hampshire. Photograph: Getty

Republican contender Marco Rubio struggled at a presidential debate on Saturday at the worst possible time, potentially confounding his bid to emerge(...)

North Korean leader Kim Jong Un watches a rocket firing drill by anti-aircraft units of the Korean People’s Army (KPA), in this undated file photo released by North Korea’s Korean Central News Agency (KCNA) in Pyongyang last November. Photograph: Reuters

North Korea may launch a rocket that it says will carry an earth observation satellite as soon as Sunday, after bringing forward and shortening the t(...)