News An aerial picture of the Grand Canyon in Arizona from around 30,000 feet (10,000m)

It was thought that the global landmark was perhaps 70million years old

British Olympic hope Peter Wilson claims new shooting world record

London 2012 Olympic hopeful Peter Wilson smashed a world record on his way to victory in the ISSF Shotgun World Cup in Tucson, Arizona.

Of the unknown structure in the Arizona desert he says:

Photography: A Visual Inventory, By John Pawson

The Yorkshire-born minimalist architect John Pawson has designed the clean lines of commercial buildings, airport lounges and even monasteries all around the world.

Chill factor: The splendour of the Grand Canyon in winter

A wintry, ice-draped Grand Canyon? Cool!

Presidents have praised the magnificence of this geological scar in the south-west US, yet most people only see it in summer. To enjoy this landmark in solitude – go with the snow, says Chris Leadbeater

Governor Jan Brewer holds an intense conversation with Barack Obama at Arizona’s Phoenix-Mesa Gateway Airport last month

Can Latino voters take the fight to America's right?

Arizona's growing Hispanic population has borne the brunt of Republicans' bitter rhetoric against immigrants. Now they plan to turn the state Democrat

Mitt Romney: a rocky run in to Super Tuesday

Romney fumbles his way forward

Blemished by a botched rally in a near-empty Detroit stadium and an unfortunate boast about his collection of cars, Mitt Romney was last night stumbling towards primary contests in two key American states on Tuesday that could determine the future of his quest for the Republican nomination.

Jeb Bush: The ex-Florida governor said the candidates were appealing to voters’ ‘fears and emotion’

Republican race is a circular firing squad, says Jeb Bush

Jeb Bush, seen by some as a Republican candidate-in-waiting for the 2016 presidential season, has set aside normal party decorum by lamenting this year's contenders, likening them to a "circular firing squad" scaring away independent voters with right-wing rhetoric that plays on their fears.

Norovirus the food poisoning bug that causes violent stomach flu

Nasal vaccine trials to combat stomach-flu bug

A vaccine against norovirus, a food poisoning virus that causes violent stomach flu, could be available within five years if it can be shown to be safe when taken as a nasal spray, scientists said.

Wild West: Arizona's capital Phoenix

Widescreen wonders: Arizona’s 100 years of statehood

The Grand Canyon State celebrates its centenary this week, but the cinematic drama of its iconic landscapes has a timeless appeal for travellers.

Lawrie turns back the clock

Paul Lawrie is back in the world top 50 for the first time since 2003, after he won his second Qatar Masters title yesterday. The 43-year-old Scot (above) chipped in twice in a brilliant closing 65 to beat the Australian Jason Day and Swede Peter Hanson by four.

Joel Sternfeld's Glen Canyon Dam, Page, Arizona, August 1983

Road trip: Joel Sternfeld's Arizona

Drive past grand dams and the Grand Canyon – in the tyre tracks of a king of colour photography.

Giffords to resign from Congress

Gabrielle Giffords, the Arizona Congresswoman who has emerged as a symbol of courage and endurance in the 12 months since she was shot in the head while meeting her constituents outside a supermarket in Tucson, surprised her supporters yesterday by announcing that she is giving up her seat.

Head found in Hollywood park identified

Authorities have determined that a dismembered head and other body parts found in a rugged hillside park near the famed "Hollywood" sign are the remains of a man who lived in an a nearby apartment.

Steve Connor: The quest for knowledge can be a dangerous thing

Knowledge may be pure, but its application can be misused for for the detriment of humanity

Joe Arpaio, sheriff of Maricopa County, Arizona, is accused of mistreating Latino prisoners in his care

Self-styled 'toughest sheriff in America' is also its most racist

He likes to call himself "America's toughest sheriff" – but a report by the US government suggests that, against stiff opposition, he is probably its most racist sheriff, too.

Byrne says: 'People who say that travel is half the fun must be having really bad holidays'

My Life In Travel: Ed Byrne, comedian

'I would like to trek up to Everest Base Camp'

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Lake Garda
Minoan Crete and Santorini
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Fishing for votes with Nigel Farage: The Ukip leader shows how he can work an audience as he casts his line to the disaffected of Grimsby

Fishing is on Nigel Farage's mind

Ukip leader casts a line to the disaffected
Who is bombing whom in the Middle East? It's amazing they don't all hit each other

Who is bombing whom in the Middle East?

Robert Fisk untangles the countries and factions
China's influence on fashion: At the top of the game both creatively and commercially

China's influence on fashion

At the top of the game both creatively and commercially
Lord O’Donnell: Former cabinet secretary on the election and life away from the levers of power

The man known as GOD has a reputation for getting the job done

Lord O'Donnell's three principles of rule
Rainbow shades: It's all bright on the night

Rainbow shades

It's all bright on the night
'It was first time I had ever tasted chocolate. I kept a piece, and when Amsterdam was liberated, I gave it to the first Allied soldier I saw'

Bread from heaven

Dutch survivors thank RAF for World War II drop that saved millions
Britain will be 'run for the wealthy and powerful' if Tories retain power - Labour

How 'the Axe' helped Labour

UK will be 'run for the wealthy and powerful' if Tories retain power
Rare and exclusive video shows the horrific price paid by activists for challenging the rule of jihadist extremists in Syria

The price to be paid for challenging the rule of extremists

A revolution now 'consuming its own children'
Welcome to the world of Megagames

Welcome to the world of Megagames

300 players take part in Watch the Skies! board game in London
'Nymphomaniac' actress reveals what it was really like to star in one of the most explicit films ever

Charlotte Gainsbourg on 'Nymphomaniac'

Starring in one of the most explicit films ever
Robert Fisk in Abu Dhabi: The Emirates' out-of-sight migrant workers helping to build the dream projects of its rulers

Robert Fisk in Abu Dhabi

The Emirates' out-of-sight migrant workers helping to build the dream projects of its rulers
Vince Cable interview: Charging fees for employment tribunals was 'a very bad move'

Vince Cable exclusive interview

Charging fees for employment tribunals was 'a very bad move'
Iwan Rheon interview: Game of Thrones star returns to his Welsh roots to record debut album

Iwan Rheon is returning to his Welsh roots

Rheon is best known for his role as the Bastard of Bolton. It's gruelling playing a sadistic torturer, he tells Craig McLean, but it hasn't stopped him recording an album of Welsh psychedelia
Morne Hardenberg interview: Cameraman for BBC's upcoming show Shark on filming the ocean's most dangerous predator

It's time for my close-up

Meet the man who films great whites for a living
Increasing numbers of homeless people in America keep their mobile phones on the streets

Homeless people keep mobile phones

A homeless person with a smartphone is a common sight in the US. And that's creating a network where the 'hobo' community can share information - and fight stigma - like never before