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

Is your summer too much of a damp squib? Then head over to Death Valley

Sweltering conditions hit Arizona and California in a heat wave set to last all weekend.

Don't look down! Nik Wallenda crosses the Grand Canyon on just two inches of steel rope

He is already considering his next death-defying feat in New York

Nik Wallenda will cross the Grand Canyon with cameras rigged to his body

Watch if you dare: Daredevil to attempt high-wire Grand Canyon crossing

Armchair thrill-seekers will be able to watch a high-wire walker cross the Grand Canyon, Arizona without a harness on television late tonight.

Up and away: Holly Bleasdale parted company with her coach Julien Raffalli in highly emotional circumstances

Down-to-earth Holly Bleasdale can scale new heights

Pole vaulter is only 21 in a discipline dominated by thirtysomethings but wants to be the third woman to jump five metres

Temple of the Feathered Serpent at the archaeological site of Teotihuacan

Hundreds of mysterious yellow orbs discovered under Mexico’s Temple of the Feathered Serpent

Archaeologists excavating beneath Mexico’s Temple of the Feathered Serpent have discovered hundreds of mysterious yellow orbs.

Nik Wallenda crossing Niagara Falls on a wire in 2012

Niagara Falls daredevil plans to cross Grand Canyon without a harness

Seventh-generation acrobat says it's "exciting" that there will be no safety precautions in place

Equality activists outraged as Arizona considers banning transgender people from using public toilets not designated for their birth sex

Proposal comes less than a month after the city of Phoenix passed a human rights ordinance prohibiting gender identity discrimination in public accommodations

A photo issued by the National Optical Astronomy Observatory of a planetary nebula Sh2-174 which gives the appearance of a red rose - or maybe a tulip - but is actually the remains of a dying star some 1,000 light years away

Roses are red, one star is blue - even astronomers' romance shines on through

It seems that even astronomers have a romantic side.

Brandt Snedeker

Brandt Snedeker rises into top four

Brandt Snedeker has moved to a career-best fourth in the world after following up back-to-back runners-up finishes with victory at the Pebble Beach Pro-am.

Paul Gascoigne pictured in November last year at a Lazio match

Paul Gascoigne continues to receive hospital treatment in the United States

The former England midfielder travelled to a clinic in Arizona last week

Identical twin brothers held over sex attacks – but which is the suspect?

Identical twin brothers have been arrested by police in Marseille investigating a series of sexual assaults in the past 15 months. But the investigators have no idea which of the two brothers may be guilty, as the victims are unable to tell them apart.

Muhammad Ali's daughter denies rumours boxing legend is close to death

Muhammad Ali's family have denied reports that his health is deteriorating after comments from his brother which claimed he was 'close to death.'

Body of evidence: Macpherson may have to testify in her former adviser’s case against NI

Hacking's model witness: Introducing Elle Macpherson

After a six-year silence, the Australian supermodel heads to the High Court

Part of Google's panorama of the Colorado River

Ever wanted to see the Grand Canyon? No need for a flight, thanks to Google

Tech giant Google has launched a new service offering panoramic views of the most beautiful spots in the Grand Canyon.

Tee break: Rory McIlroy and Tiger Woods chat during the Turkish Airlines World Golf Final at Antalya
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Burgundy, the River Rhone & Provence – Five-star MS Swiss Corona 7 nights from £999pp
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War with Isis: The West needs more than a White Knight

The West needs more than a White Knight

Despite billions spent on weapons, the US has not been able to counter Isis's gruesome tactics, says Patrick Cockburn
Return to Helmand: Private Davey Graham recalls the day he was shot by the Taliban

'The day I was shot by the Taliban'

Private Davey Graham was shot five times during an ambush in 2007 - it was the first, controversial photograph to show the dangers our soldiers faced in Helmand province
Revealed: the best and worst airlines for delays

Revealed: the best and worst airlines for delays

Many flyers are failing to claim compensation to which they are entitled, a new survey has found
The stories that defined 2014: From the Scottish independence referendum to the Ice Bucket Challenge, our writers voice their opinions

The stories that defined 2014

From the Scottish independence referendum to the Ice Bucket Challenge, our writers voice their opinions
Stoke-on-Trent becomes first British city to be classified as 'disaster resilient' by the United Nations

Disaster looming? Now you know where to head...

Which British city has become the first to be awarded special 'resilience' status by the UN?
Finally, a diet that works: Californian pastor's wildly popular Daniel Plan has seen his congregation greatly reduced

Finally, a diet that works

Californian pastor's wildly popular Daniel Plan has seen his congregation greatly reduced
Say it with... lyrics: The power of song was never greater, according to our internet searches

Say it with... lyrics

The power of song was never greater, according to our internet searches
Professor Danielle George: On a mission to bring back the art of 'thinkering'

The joys of 'thinkering'

Professor Danielle George on why we have to nurture tomorrow's scientists today
Monique Roffey: The author on father figures, the nation's narcissism and New Year reflections

Monique Roffey interview

The author on father figures, the nation's narcissism and New Year reflections
Introducing my anti-heroes of 2014

Introducing my anti-heroes of 2014

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DJ Taylor: Good taste? It's all a matter of timing...

Good taste? It's all a matter of timing...

It has been hard to form generally accepted cultural standards since the middle of the 19th century – and the disintegration is only going to accelerate, says DJ Taylor
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Bill Granger's healthy breakfasts

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