Today's Top Science Story

How much does a kilogram weigh? Depends on your 'Planck constant'

PARIS (Reuters) - It may not change how you buy bananas, but scientists have voted to redefine the value of a kilogram, in what they called a landmark decision that will boost the accuracy of scientific measurements. Read More


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SpaceX, TeleSat Canada bids get U.S. nod to expand satellite internet

WASHINGTON (Reuters - The U.S. Federal Communications Commission voted unanimously on Thursday to allow Tesla Inc Chief Executive Elon Musk's Space X, Telesat Canada [PSPENC.UL] and two other companies to roll out new satellite-based broadband services. More »


'We trust our rocket', crew says ahead of first space launch since failure

MOSCOW (Reuters) - A U.S. astronaut said on Thursday she had full confidence in the safety of the Russian-made Soyuz rocket that will blast a three-person crew into space next month in the first such launch since a rocket failure. More »


Face off: Realistic masks made in Japan find demand from tech, car companies

OTSU, Japan (Reuters) - Super-realistic face masks made by a tiny company in rural Japan are in demand from the domestic tech and entertainment industries and from countries as far away as Saudi Arabia. More »


Frigid planet detected orbiting nearby star

WASHINGTON (Reuters) - A frozen and dimly lit planet, dubbed a "Super-Earth," may be orbiting the closest single star to our solar system, astronomers said on Wednesday, based on two decades of scientific observations. More »


After aborted mission, NASA astronaut confident about December launch

(Reuters) - The American astronaut who will hitch the first ride on a Russian rocket since last month's aborted launch and dramatic emergency landing is confident that her scheduled trip in December on a rocket that she calls a "workhorse" will go smoothly. More »


Scientists to swap dusty old kilogram for something more stable

LONDON, (Reuters) - After years of nursing a sometimes dusty cylinder of metal in a vault outside Paris as the global reference for modern mass, scientists are updating the definition of the kilogram. More »


Stephen Hawking's thesis and wheelchair sell for $1 million

LONDON (Reuters) - A motorized wheelchair used by the late British physicist Stephen Hawking sold at auction on Thursday for almost 300,000 pounds ($391,740.00) while a dissertation raised nearly twice that at a sale to raise money for charity. More »


Scientists angry at UK visa denials for African, Asian researchers

LONDON, (Reuters) - Scientists in Britain expressed concern on Thursday after at least 17 delegates from Africa and Asia wanting to attend a health conference in London were denied visas. More »


Bill Gates, on China trip, lauds free trade - and futuristic toilets

BEIJING (Reuters) - U.S. billionaire philanthropist Bill Gates unveiled on Tuesday in Beijing a futuristic toilet that doesn't need water or sewers and uses chemicals to turn human waste into fertilizer. More »


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