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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The long walk west: they fled war in Syria, only to get held up in Hungary – now hundreds of refugees have set off on foot for Austria

They fled war in Syria...

...only to get stuck and sidetracked in Hungary
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Title sequences: From The Prisoner to Mad Men

Elaborate title sequences are one of the keys to a great TV series. But why does the art form have such a chequered history?
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Sumptuous fabrics meet luscious cosmetics for this elegant look
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From stowaways to Operation Stack, it's a challenging time to be a trucker heading to and from the Continent
Kelis interview: The songwriter and sauce-maker on cooking for Pharrell and crying over potatoes

Kelis interview

The singer and sauce-maker on cooking for Pharrell
Refugee crisis: David Cameron lowered the flag for the dead king of Saudi Arabia - will he do the same honour for little Aylan Kurdi?

Cameron lowered the flag for the dead king of Saudi Arabia...

But will he do the same honour for little Aylan Kurdi, asks Robert Fisk
Our leaders lack courage in this refugee crisis. We are shamed by our European neighbours

Our leaders lack courage in this refugee crisis. We are shamed by our European neighbours

Humanity must be at the heart of politics, says Jeremy Corbyn
Joe Biden's 'tease tour': Could the US Vice-President be testing the water for a presidential run?

Joe Biden's 'tease tour'

Could the US Vice-President be testing the water for a presidential run?
Britain's 24-hour culture: With the 'leisured society' a distant dream we're working longer and less regular hours than ever

Britain's 24-hour culture

With the 'leisured society' a distant dream we're working longer and less regular hours than ever
Diplomacy board game: Treachery is the way to win - which makes it just like the real thing

The addictive nature of Diplomacy

Bullying, betrayal, aggression – it may be just a board game, but the family that plays Diplomacy may never look at each other in the same way again
Lady Chatterley's Lover: Racy underwear for fans of DH Lawrence's equally racy tome

Fashion: Ooh, Lady Chatterley!

Take inspiration from DH Lawrence's racy tome with equally racy underwear
8 best children's clocks

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Whether you’re teaching them to tell the time or putting the finishing touches to a nursery, there’s a ticker for that
Charlie Austin: Queens Park Rangers striker says ‘If the move is not right, I’m not going’

Charlie Austin: ‘If the move is not right, I’m not going’

After hitting 18 goals in the Premier League last season, the QPR striker was the great non-deal of transfer deadline day. But he says he'd preferred another shot at promotion
Isis profits from destruction of antiquities by selling relics to dealers - and then blowing up the buildings they come from to conceal the evidence of looting

How Isis profits from destruction of antiquities

Robert Fisk on the terrorist group's manipulation of the market to increase the price of artefacts
Labour leadership: Andy Burnham urges Jeremy Corbyn voters to think again in last-minute plea

'If we lose touch we’ll end up with two decades of the Tories'

In an exclusive interview, Andy Burnham urges Jeremy Corbyn voters to think again in last-minute plea