
China hits out at Japan over defence spending worries
China dismissed Japanese concerns about its defence spending as "ridiculous" on Thursday after Tokyo commissioned its biggest-ever helicopter carrier. ... more
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Japan launches replacement spy satellite
Japan on Thursday successfully launched a replacement spy satellite, its aerospace agency said, as an existing device comes to the end of its working life. ... more
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Study reveals why mysterious structures within Earth's mantle hold clues to life here
Advanced air filter could enable building vents to capture carbon and reduce energy use
Boos, blowups and last-minute pause as a chaotic COP30 closes out
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Superfast computers a step closer as a silicon chip's quantum capabilities are improved
The team demonstrated a quantum on/off switching time of about a millionth of a millionth of a second - the fastest-ever quantum switch to be achieved with silicon and over a thousand times faster t ... more
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Soyuz spacecraft docks at ISS for year-long mission
A Russian Soyuz spacecraft with three crew on board successfully docked at the International Space Station Saturday after blasting off from Kazakhstan, NASA said, launching a year-long mission on the orbiting outpost. ... more
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Scuttling satellites to save space
It takes a lot of ingenuity - not to mention a massive quantity of sheer force - to get satellites into orbit. Now space engineers are applying comparable ingenuity to the challenge of getting their ... more
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Best view yet of dusty cloud passing galactic center black hole
A supermassive black hole with a mass four million times that of the Sun lies at the heart of the Milky Way galaxy. It is orbited by a small group of bright stars and, in addition, an enigmatic dust ... more
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Dark matter not as sticky as once thought
Astronomers using observations from NASA's Hubble Space Telescope and Chandra X-ray Observatory have found that dark matter does not slow down when colliding with each other. This means that it inte ... more
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