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

Serendipity: A meteoric demise?

LAYERS of rock represent moments in history, with each layer representing a more ancient time than the layer above it. The date of the death of the dinosaurs can be pinpointed because there is a sharp transition between layers of rock that are rich in fossils and higher layers that are devoid of fossils. This transition can be dated to 65 million years ago, but for a long time scientists had no idea of the speed of the transition. Did the dinosaurs die off over the course of a few years or a few thousand years?

Scientists lose huge asteroid

ASTRONOMERS HAVE lost track of an asteroid hundreds of metres wide that could devastate the Earth in 50 years' time. Still, they are not unduly worried: instead they are concentrating on the other 178 lumps of rock that might destroy us first.

Letter: Intergalactic news


Chip off the moon fetches pounds 9,200

A TINY fragment of the Moon, 1.75 centimetres long and weighing just 0.71 grams, was sold at auction for pounds 9,200 yesterday.

Commons debates the deadly danger of asteroids

MEMBERS OF Parliament will have an opportunity today to discuss the end of the world as we know it, when they debate the prospect of the Earth being hit by an asteroid.

Internet: Sites Of The Week

Mars mission to be rehearsed in Arctic crater

IT IS remote, desolate, inhospitable and very cold - just the place to build a prototype space base for the first inhabitants of Mars, scientists have decided. The US National Aeronautics and Space Administration (Nasa) has chosen a barren island in the Canadian Arctic as the closest earthly parallel to a Martian landscape.

Nasa loses control of asteroid probe

SCIENTISTS HAVE lost contact with a pounds 138m space probe designed to rendezvous with an asteroid the size of central London next month.

Nasa probe approaches asteroid

THE FINAL approach has begun to put a spacecraft in orbit around an asteroid for the first time, in a manoeuvre that could one day result in robots mining the mineral-rich rocks of space.

Podium: Science cannot predict the future

From a lecture by the professor of geography at University College, London, to the Annual Festival of Science

Mythological Notes: Henny-Penny discovers Atlantis

IN THE English fairy tale, Henny-Penny was hit on the head by a falling object, and then set off with Cocky-Locky, Ducky-Daddles, and the rest of the tongue-twisting farmyard crew, to warn the king that "the sky's a-going to fall". What was the reason for this paranoid behaviour? Surprisingly, the answer can be found in the famous legend of the lost island of Atlantis.

Jupiter's rings formed by cosmic crash

THE RINGS of Jupiter were formed as a result of cosmic collisions between the planet's moons and the space rubble left over from the birth of the Solar System.

Mars rock to fetch astronomical sum

A DESERT prospector is set to become a millionaire as British scientists prepare to announce today that a meteorite found in the Sahara desert came from Mars.

Euro rocket will X-ray asteroid

ASTEROID collisions with earth are the stuff of Hollywood movies, but now a group of British scientists are hoping for an impact of a different kind.

Science: Tell me about ... Catastrophism

BEFORE 1830, everyone was a catastrophist. The theory that most of the features in the Earth were produced by sudden, short-lived, worldwide events, tied in perfectly with the Christian fundamentalism that dominated thinking in the West.
Latest stories from i100
Career Services

Day In a Page

Independent Travel
Pompeii, Capri & the Bay of Naples
Seven Cities of Italy
Burgundy, the River Rhone & Provence
Prague, Budapest and Vienna
Lake Garda
3.	Provence 6 nights B&B by train from £599pp
Prices correct as of 12 March 2015
War with Isis: Iraq declares victory in the battle for Tikrit - but militants make make ominous advances in neighbouring Syria's capital

War with Isis

Iraq declares victory in the battle for Tikrit - but militants make make ominous advances in neighbouring Syria
Scientists develop mechanical spring-loaded leg brace to improve walking

A spring in your step?

Scientists develop mechanical leg brace to help take a load off
Peter Ackroyd on Alfred Hitchcock: How London shaped the director's art and obsessions

Peter Ackroyd on Alfred Hitchcock

Ackroyd has devoted his literary career to chronicling the capital and its characters. He tells John Walsh why he chose the master of suspense as his latest subject
Ryan Reynolds interview: The actor is branching out with Nazi art-theft drama Woman in Gold

Ryan Reynolds branches out in Woman in Gold

For every box-office smash in Ryan Reynolds' Hollywood career, there's always been a misconceived let-down. It's time for a rethink and a reboot, the actor tells James Mottram
Why Robin Williams safeguarded himself against a morbid trend in advertising

Stars safeguard against morbid advertising

As film-makers and advertisers make increasing posthumous use of celebrities' images, some stars are finding new ways of ensuring that they rest in peace
The UK horticulture industry is facing a skills crisis - but Great Dixter aims to change all that

UK horticulture industry facing skills crisis

Great Dixter manor house in East Sussex is encouraging people to work in the industry by offering three scholarships a year to students, as well as generous placements
10 best compact cameras

A look through the lens: 10 best compact cameras

If your smartphone won’t quite cut it, it’s time to invest in a new portable gadget
General Election 2015: The masterminds behind the scenes

The masterminds behind the election

How do you get your party leader to embrace a message and then stick to it? By employing these people
Machine Gun America: The amusement park where teenagers go to shoot a huge range of automatic weapons

Machine Gun America

The amusement park where teenagers go to shoot a huge range of automatic weapons
The ethics of pet food: Why are we are so selective in how we show animals our love?

The ethics of pet food

Why are we are so selective in how we show animals our love?
How Tansy Davies turned 9/11 into her opera 'Between Worlds'

How a composer turned 9/11 into her opera 'Between Worlds'

Tansy Davies makes her operatic debut with a work about the attack on the Twin Towers. Despite the topic, she says it is a life-affirming piece
11 best bedside tables

11 best bedside tables

It could be the first thing you see in the morning, so make it work for you. We find night stands, tables and cabinets to wake up to
Italy vs England player ratings: Did Andros Townsend's goal see him beat Harry Kane and Wayne Rooney to top marks?

Italy vs England player ratings

Did Townsend's goal see him beat Kane and Rooney to top marks?
Danny Higginbotham: An underdog's tale of making the most of it

An underdog's tale of making the most of it

Danny Higginbotham on being let go by Manchester United, annoying Gordon Strachan, utilising his talents to the full at Stoke and plunging into the world of analysis
Audley Harrison's abusers forget the debt he's due, but Errol Christie will always remember what he owes the police

Steve Bunce: Inside Boxing

Audley Harrison's abusers forget the debt he's due, but Errol Christie will always remember what he owes the police