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Obama team to raise questions over Ares rocket

UPFRONT:  12:20 08 January 2009  | 10 comments

Why is NASA developing a new generation of space rockets when the US already has two that could do the same job?

Mystery radio signal could be from universe's first stars

A balloon-borne instrument called ARCADE mapped a doughnut-shaped region that covered some 7% of the sky (coloured region), turning up an unexplained radio signal (Illustration: NASA/ARCADE)

04:13 08 January 2009  | 12 comments

A balloon-borne experiment has turned up mysterious radio static that could come from the universe's first stars

Black holes grew up before galaxies

Astronomers used the Very Large Array of radio telescopes to study the gas in this galaxy as it appeared just 870 million years after the big bang (Image: NRAO/AUI/NSF)

21:08 07 January 2009  | 14 comments

A study of four distant quasars suggests that supermassive black holes may have matured long before the galaxies that surround them

Runaway stars carve eerie cosmic sculptures

Bow shocks are created when winds of particles shed by runaway stars slam into surrounding gas (Image: NASA/ESA/R Sahai/JPL)

19:54 07 January 2009  | 2 comments

Hubble has found 14 stars that are shooting through interstellar gas, creating 'bow shocks' that resemble the waves at the bow of a boat

Danger ahead as the Sun goes quiet

A huge, twisted solar prominence (lower left) in the corona of the Sun. The prominence is a massive cloud of plasma confined by powerful magnetic fields. If it breaks free of the Sun's atmosphere, such an event can cause electrical blackouts and auroral storms, if directed towards Earth. This image was taken in the light of ionised helium (30.4 nanometres), which corresponds to a temperature of around 60,000 Kelvin. It was taken on 18th January 2000 by the Extreme Ultraviolet Imaging Telescope (EIT) on board the SOHO (Solar and Heliospheric Observatory) spacecraft (Image: SOHO / ESA / NASA / SPL)

THIS WEEK:  18:00 07 January 2009  | 99 comments

The Sun is about to go into a period of low sunspot activity, which could let more harmful cosmic rays enter the solar system

Many pulsars sport gamma-ray beltsMovie Camera

Newly found pulsars that emit only gamma rays suggest the radiation is produced above a pulsar's equator (magenta) and not in tight beams above the magnetic poles, as are radio waves (green)  (Illustration: NASA/Fermi/Cruz deWilde)

17:20 07 January 2009  | 1 comment

Pulsars are not simply lighthouses that beam out radio waves from their poles - many also emit gamma rays from their equators

Supernova's ghost caught expanding in new videoMovie Camera

Cassiopeia A is the ghostly remnant of a supernova that exploded in the Milky Way some 330 years ago (Image: NASA/CXC/SAO/D Patnaude et al.)

10:00 07 January 2009  | 5 comments

A time-lapse movie suggests the supernova remnant Cassiopeia A may be channelling its energy into creating high-speed cosmic rays

Alien asteroid dust hints at Earth-like planets

White dwarfs can chew apart errant asteroids, leaving only dusty remains. New infrared observations suggest the dust left behind in six such stars has a composition similar to rocky objects in the inner solar system, suggesting the stars may have hosted rocky planets. (Illustration: NASA/JPL-Caltech)

17:22 06 January 2009  | 27 comments

Dust with a similar composition to the Earth has been found swaddling six stars, suggesting rocky planets may be common

Sharpest infrared image of Milky Way's core unveiled

This portrait of the Milky Way's central region was made by combining images taken by Hubble's Near Infrared Camera and Multi-Object Spectrometer (NICMOS) between February and June 2008 and images previously taken by Spitzer's Infrared Astronomy Camera (IRAC). The region at lower left shows pillars of gas sculpted by winds from hot, massive stars in the Quintuplet cluster. At the centre of the image, ionised gas surrounding the supermassive black hole at the galactic centre is confined to a bright spiral embedded within a doughnut-shaped ring of gas and dust. (Hubble image: NASA/ESA/Q D Wang/UMass Amherst; Spitzer image: NASA/JPL/S Stolovy/Spitzer Science Center/Caltech)

23:48 05 January 2009  | 53 comments

The sharpest infrared picture yet taken of the roiling furnace at the galaxy's centre reveals a new population of massive stars

Space experiment has a sting in the tail for newts

IN BRIEF:  11:46 05 January 2009  | 15 comments

Newts aren't normally fazed by having their tails chopped off – they just grow a new one – but microgravity plays havoc with the process

Desktop atom smashers could replace LHC

Super-powerful lasers could soon compete with the LHC (Image: LBNL)

FEATURE:  10:50 05 January 2009  | 21 comments

The next generation of particle smashers might be considerably smaller than the Large Hadron Collider – and made almost literally out of thin air

Mystery stone circles may point to water on Mars

IN BRIEF:  22:12 02 January 2009  | 40 comments

Circles of rocky material sorted by size suggest that the local Martian climate was once much warmer than thought

Top 10 space stories of 2008

For the first time, astronomers found an object on a certain collision course with Earth. Fortunately, it was too small - measuring a couple of metres across -  to cause any damage, burning up in the atmosphere on 7 October and leaving behind this wind-blown trail high in the sky (Image: Mohamed Elhassan Abdelatif Mahir/Noub NGO/Muawia H Shaddad/U Khartoum/Peter Jenniskens/SETI Institute/NASA Ames)

11:01 02 January 2009  | 6 comments

The most popular space stories of the year include a gallery of spooky cosmic images and an exploration of whether the universe existed before the big bang

2008: The year in astronomy

Astronomers captured multiple images of planets orbiting other stars in 2008. The star HR 8799 (multi-coloured blob) seems to boast three planets (red dots at upper left, upper right and just below the star). The planets are 7 to 10 times as massive as Jupiter (Image: National Research Council Canada)

23:03 01 January 2009  | 1 comment

Astronomers observed the most powerful explosion ever recorded, detected what may be dark matter and found hints of a fractal universe

2008: The year in the solar system

Phoenix snapped its first picture of ice (white surface) directly underneath the belly of the lander soon after a perfect touchdown on 25 May on Mars's northern plains. "If you had a broom, you could make an ice-rink right where we landed," said mission chief Peter Smith (Image: NASA/JPL-Caltech/U of Arizona/Max Planck Institute)

18:57 31 December 2008  | 3 comments

Astronomers glimpsed unseen swathes of Mercury, found a space rock heading for Earth and landed a probe squarely on a patch of Martian ice

NASA says Columbia crew had no chance to survive

The US Air Force Maui Optical and Supercomputing Site (AMOS) took this image of the shuttle Columbia on 28 January 2003, four days before the shuttle broke apart re-entering the atmosphere (Image: NASA)

03:45 31 December 2008  | 27 comments

The shift from what appeared to be a normal descent on 1 Feb 2003 into disaster happened so fast that the crew didn't have time to close their visors

Commentary: Reasons to be jolly about 2008

COMMENTARY:  00:01 31 December 2008  | 3 comments

After a year in which the much-anticipated Large Hadron Collider has been delayed, you might think particle physicists don't have much to be jolly about – not so...

Most extreme news stories of 2008

11:07 28 December 2008  | 6 comments

Explore the limits of science and technology from the past year, from the deepest living fish to the roundest spheres

2008: The year in spaceflight

NASA's future took on a new level of uncertainty in 2008, with the election of a new president, delays in moving forward with the retirement of the space shuttle, and technical issues with the Ares I rocket, the shuttle's replacement. (Illustration: NASA)

01:00 28 December 2008

China performed its first spacewalk and India sent a probe to the Moon, while NASA faced the space shuttle's looming retirement

News review 2008: Reality returns to the White House

NEWS REVIEW 2008:  11:30 27 December 2008  | 75 comments

Barack Obama may have an impossible burden of expectation on his shoulders, but one fervent wish of many US scientists should be easy to fulfil: lead the nation back into the "reality-based community"

Bye-bye boojums: Scientific names lose their sparkle

(Image: Andy Smith)

COVER STORY:  10:00 27 December 2008  | 18 comments

Will we ever see the like of MACHOs and WIMPs, cheap date and Sonic hedgehog again? New Scientist investigates

News review 2008: Asia's space race takes off

NEWS REVIEW 2008:  12:15 26 December 2008  | 1 comment

China carried out its first space walk, while India's launch of its first moon probe heralded a new era in space

Top blogs from 2008

08:00 26 December 2008  | 9 comments

From a nano-sized Barack Obama, to calls for a 'Gaian dictator' to save the world, the blogs have been buzzing this year – here we round up a few of our favourites

News review 2008: The year NASA's star began to wane

NEWS REVIEW 2008:  14:12 25 December 2008  | 6 comments

It's been a turbulent 50th anniversary year for the space agency, with its successes marred by uncertainty over the shuttle's replacement, problems with Hubble, and serious budget woes

NASA gives space cargo contracts to start-up firms

14:09 24 December 2008  | 8 comments

The agency has awarded $3.5 billion in contracts to SpaceX and Orbital Sciences to ship cargo to and from the space station beginning in 2010

News review 2008: The year in science

NEWS REVIEW 2008:  13:00 24 December 2008

It was a year when everything seemed to fall apart. Fuel, food, finance all had their crises &ndash but it wasn't all doom and gloom...

Space station upgraded to spot threatening electric fields

15:52 23 December 2008  | 1 comment

A new device will monitor electrical charges that may have caused Soyuz space capsules returning from the station to land off course

Gallery: Top 10 objects that have flown in space

The Beagle 2 mission to Mars carried a colourful dot painting by Britart exponent Damien Hirst to calibrate the craft's cameras and spectrometer (Image: Mike Levers/All Rights Reserved Beagle 2)

00:37 23 December 2008  | 9 comments

Forget spacesuits, solid rocket boosters and robot arms – more sentimental and whimsical objects have reached escape velocity

Burrowing black holes devoured first stars from within

(Image: SPL)

THIS WEEK:  18:05 19 December 2008  | 86 comments

The digested end-product of this cosmic feast could be the ancestors of the supermassive black holes that sit at the centre of galaxies like the Milky Way

US investigation into gravity weapons 'nonsense'

Even the gravity waves produced by circling pairs of superdense neutron stars can only be detected indirectly (Image: Mark Galick/SPL)

13:19 19 December 2008  | 90 comments

Physicists are surprised to find that military intelligence has been investigating whether elusive gravitational waves could pose a threat to US security

RSS

Why the universe may be teeming with aliens

Even a desert planet might maintain enough liquid water to sustain life (Image: Ariadne Van Zandbergen/Lonely Planet/Getty)

Hunting for a planet that can support life? There's more to it than looking for Earth's distant twin, says David Shiga

'Interplanetary internet' passes first test

NASA successfully tested an internet-like protocol for space, which could some day automate communication with craft and bases beyond Earth's orbit (Illustration: NASA/JPL)

Images were sent between a NASA probe and Earth in the first test of an internet-like data transmission system for space

SPECIAL FEATURE

The most extreme life-forms in the universe

These creatures set records for surviving in the most inhospitable environments on Earth - their existence bodes well for finding extraterrestrial life

SPECIAL FEATURE

Moving the Earth: a planetary survival guide

The Sun is slowly heating up, and in a billion years the oceans will begin to evaporate - moving the Earth is our only hope for survival

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ASTRONOMY

Many pulsars sport gamma-ray belts

Newly found pulsars that emit only gamma rays suggest the radiation is produced above a pulsar's equator (magenta) and not in tight beams above the magnetic poles, as are radio waves (green)  (Illustration: NASA/Fermi/Cruz deWilde)

05:22 07 January 2009

Pulsars are not simply lighthouses that beam out radio waves from their poles - many also emit gamma rays from their equators

ASTRONOMY

Alien asteroid dust hints at Earth-like planets

White dwarfs can chew apart errant asteroids, leaving only dusty remains. New infrared observations suggest the dust left behind in six such stars has a composition similar to rocky objects in the inner solar system, suggesting the stars may have hosted rocky planets. (Illustration: NASA/JPL-Caltech)

05:28 06 January 2009

Dust with a similar composition to the Earth has been found swaddling six stars, suggesting rocky planets may be common

FROM THE BLOG

Who will be NASA's next chief?

02:12 08 January 2009

A former astronaut is reportedly the strongest contender for the agency's top post

God's own space race

19:12 06 January 2009

Talk of an Islamic space agency raises questions about the role of religion in space

GALLERY

Top 10 objects that have flown in space Movie Camera

Forget spacesuits and solid rocket boosters - more sentimental and whimsical objects have reached escape velocity

COSMOLOGY
Conceptual computer artwork representing the origin of the universe (Image: MEHAU KULYK/SPL)

Did our cosmos exist before the big bang?

What if our universe didn't emerge from nothing, but is a recycled version of one that went before? Anil Ananthaswamy investigates

This week's issue

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10 January 2009

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