Science

Nasa 'emails' a wrench to space

The life of the International Space Station has been extended until 2024.

Now that the International Space Station has a 3-D printer, engineers can design tools on the ground then beam them to space.

Polar bears are feeling the heat video

A polar bear takes a dip at the St-Felicien Wildlife Zoo in Quebec. Fellow polar bears in the Arctic, however, are feeling the effects of global warming.

Alaska is recording temperatures nearly 10 degrees Celsius above average, affecting people and animals.

Science sinks 'sighting' of taniwha

MYSTERY SOLVED: The wake of what appears to be from a large creature was captured by a Google satellite on January 30 about 11.30am

Once again science has debunked a possible sighting of a mythical creature - this time it's a taniwha.

Student has vision for robotics

EYE, ROBOT: The new algorithm allows a computer programme to pick out the most important objects in red and the least in blue from the picture of Wellington's cable car.

A PhD student is hoping he can get robots to see and recognise the world around them.

Disgraceful: How Nasa wasted $450m

The A-3 test stand under construction at NASA's Stennis Space Center in Mississippi in 2013.

US space agency spent millions building a huge testing tower it knew it would never use.

Slow winds formed dunes on Titan

Titan passing in front of Saturn and its rings in an image released by NASA.

The massive tar-coloured dunes of Saturn's moon Titan are the product of long-term weather cycles, scientists say.

New clue for life on Mars video

MARS LIFE?: The first definitive detection of Martian organic chemicals came from analysis of a sample drilled by the Curiosity rover last year - although scientists say the organics could have been delivered to Mars by meteorites.

Nasa's Curiosity rover has detected methane on the red planet, which is mostly produced by living things.

Mice help cancer patients

RODENT RESEARCH: How the mice react to a particular treatment regime helps determine which drugs and therapies patients use.

Cancer patients are giving mice their own tumours to find treatments that work on their specific cancer.

Alpine fault drilling 'ambitious' video

Scientists are drilling into the Alpine Fault.

The audacity of the project to drill through the South Island's most hazardous fault is breathtaking.

UN climate talks risk collapse

Delegates take a break at the plenary session of the UN Climate Change Conference COP 20 in Lima, Peru, on Friday.

Clash between top two emitters of greenhouse gas, China and US, threatens deal.

Code cracker, but not a spy

Hardware: Maurice Wilkins, James Watson and Francis Crick  were awarded the Nobel prize. Pictured is Crick’s medal.

Maurice Wilkins was a "caricature of a scientist", but the Nobel Prize-winner saved millions of lives.

Ocean plastic in the trillions

Floating debris in the Pacific Ocean.

The first estimate of plastic afloat on the global oceans is a "conservative" 5.25 trillion pieces.

Billionare gives $130m to understand cells

PHILANTHROPIST: Microsoft co-founder Paul Allen has pledged to give away most of his vast fortune.

Microsoft co-founder Paul Allen is launching an "industrial-scale" effort to understand the basic building block of all living things.

Space trave makes you younger

SCIENCE FICTION: Time slows down for Matthew McConaughey and Anne Hathaway in the movie Interstellar - as it does for actual astronauts.

Astronauts in the International Space Station are a tiny bit younger than if they'd remained on Earth.

Doh! Duped by a Simpson

MAGGIE SIMPSON: You can trust this face. Honest.

Scientific journals left red-faced after accepting study by Maggie Simpson and Edna Krabappel.

Asteroid strike re-created

Asteroid Strike

Scientists in a lab used a powerful laser to re-create what might have been the original spark of life on Earth.

More evidence of water on Mars video

A Nasa illustration of a lake of water partially filling Mars' Gale Crater, receiving runoff from snow mel on the crater's northern rim.

Millions of years ago, a lake once filled a 154km-wide crater being explored by Nasa's Mars rover Curiosity.

Moody teens may be lacking selenium

FINDING A BALANCE: Choosing breads made with whole grains could help increase your selenium levels.

A relationship between selenium concentration and depression has emerged in new Kiwi research.

Nasa probe on Pluto wakes up

An artist's rendition of New Horizons approaching Pluto.

A US probe has come out of a nine-year hibernation and will soon begin exploring Pluto near the outer reaches of our solar system.

Ice melting faster than imagined video

West Antarctic glacier collapse.

The United Nations had predicted seas could rise by a maximum of 1 metre - but that may be an underestimate.

Shedding light on water invention

Eldon Tate will use his AMP scholarship win to develop a cheap water-purification method powered by sunlight.

The lives of almost 800 million people without access to clean drinking water could change.

No 'pause' in global warming

SEA LEVELS RISING: The Thwaites Glacier is one of six glaciers in West Antarctica locked in an irreversible thaw linked to global warming as it is eaten away from below by warming of sea waters.

This year is on track to be the hottest year on record, the UN's World Meteorological Organization says.

The world's oldest doodle?

An 500,000-year-old artistic work? Or just a thoughtless doodle?

Etchings found on a clam shell in Indonesia in the 1890s are 500,000 years old.

Space probe aims for asteroid video

A H-IIA rocket carrying Hayabusa 2 space probe blasts off from the launching pad at Japan's Tanegashima Space Center.

A Japanese space probe has set off on a six-year round trip to an asteroid for samples that scientists hope will help reveal the origins of life.

Researchers urge trial of rental WOF

Inquiry: The committee is likely to recommend a national database for foreign buyers.

The prime minister liked housing "warrants of fitness" enough to award the research his annual science prize - but he's yet to be convinced to use them.

Boozing for 10 million years

Drinking.

Humans have enjoyed the effects of fermentation for long, long before we learned how to make alcohol.

Nasa to test Mars spacecraft

OUT OF THIS WORLD: An illustration of what the spacecraft Orion will look like during its first-ever test flight early Friday.

Early Friday, Nasa will attempt to launch the Orion spacecraft into an altitude of 5800 km above the surface of the Earth.

Moment of curiosity earns $50,000

Tim Logan, 17, has won a $50,000 scholarship for his investigation into the survival of endangered New Zealand plants.

A teenager's curiosity about endangered NZ plants has made him $50,000 richer.

HIV scourge weakening

Red balloons are released to mark World Aids Day at a hospital in Sao Paulo, Brazil.

Rapid evolution of the human immunodeficiency virus is slowing its ability to cause Aids, a study indicates.

Nasa space probe nears Pluto

An artist's rendition of New Horizons approaching Pluto.

The New Horizon probe should "wake up" this weekend in preparation for its encounter with Pluto in July.