A young supporter wears campaign stickers on her face as Democratic presidential candidate  Hillary Clinton speaks during a ‘get out to caucus’ event at Washington High School on January 30th in Cedar Rapids, Iowa. Photograph: Justin Sullivan/Getty Images
Iowa caucuses: how they work
  • US
  • February 1, 2016, 11:51

The battle for the US presidency shifts into a new gear with the start of states’ caucuses and primary elections in February 2016, beginning with the (...)

Sarah Palin and Donald Trump: “When Palin turned out to be utterly unqualified and unintelligible, spouting her own special Yoda-like language, it did not reflect poorly on women as a whole – only on her and John McCain.” Photograph: Cassi Alexandra/Bloomberg

It’s a tough call to figure out which place is more benighted: Hollywood or Saudi Arabia. Saudi Arabia was pulling ahead with all its beheadings and i(...)

Sarah Palin: Her son Track Palin (26) was arrested on Monday night near Anchorage in the family’s home state of Alaska and charged with domestic violence and possession of a firearm while intoxicated. Photograph: Mark Kauzlarich/Reuters

Republican Sarah Palin has been criticised for suggesting that the arrest of her Iraqi war veteran son was due to his post-traumatic stress disorder (...)

Environmental report card: The Arctic Ocean reached its peak ice cover in 2015 on February 25th – a full 15 days earlier than the long-term average and the lowest extent recorded since records began in 1979. Photograph: Clement Sabourin/AFP/Getty Images

The Arctic experienced record air temperatures and a new low in peak ice extent during 2015, with scientists warning that climate change is having “pr(...)

Participants in the Red Lines protest for climate justice on Saturday in Paris, December 12th, 2015.  Photograph: William Hederman

On the stroke of noon on Saturday, in Paris, we emerged from the Metro into a sea of noise, energy and euphoria at the Red Lines protest on Avenue de (...)

The whiff of weed is spreading across the globe as more countries decriminalise the possession of small quantities of cannabis. The Netherlands has(...)

Buddie, the mascot for a pro-marijuana legalization group, ResponsibleOhio, poses for a photo outside the group’s field office in Columbus, Ohio on Friday. Voters have soundly rejected  a measure that would have made it the first US Midwestern state to legalise the recreational use of marijuana, local media projections said. Photograph: Andrew Spear/The New York Times

Ohio voters soundly rejected on Tuesday a measure that would have made it the first US Midwestern state to legalise the recreational use of marijuana,(...)

In Colorado, tax revenue from marijuana is ring-fenced for the upgrade of schools run down as a result of spending cuts.  Photograph: Alessandro Bianchi/Reuters

Watching Bob Dylan at Slane, I found clinching evidence of the factual basis of the first line in Lenny Bruce’s autobiography, How To Talk Dirty And I(...)

 The destroyer USS Lassen sailed within 12 nautical miles of Subi Reef in the Spratly archipelago, one of the areas where Beijing has allegedly been building artificial islands, according to media reports. Photograph:Martin Wright/US Navy /EPA

The US has threatened further naval incursions into waters claimed by China after its naval manoeuvres near two artificial islands in the South China (...)

US president Barack Obama points to Bear Glacier during a boat tour of the Kenai Fjords National Park in Alaska. He used the trip to press home the message that changes unfolding in the Arctic pose an urgent threat to local populations and the rest of the world. Photograph: Mandel Ngan/AFP/Getty Images

Last April, two experienced polar researchers set off from the remote Canadian outpost of Resolute Bay, planning to ski 400km across the high Arctic. (...)