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Controversial startup's plan to 'sell sunlight' using giant mirrors in space would be 'catastrophic' and 'horrifying,' astronomers warnCalifornia-based startup Reflect Orbital aims to build a swarm of 4,000 giant mirrors in low Earth orbit to "sell sunlight" to customers at night. Experts warn that the mirrors could mess with telescopes, blind stargazers and impact the environment.
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Two spacecraft will pass right through comet 3I/ATLAS' tailTwo ESA spacecraft, Hera and Europa Clipper, are poised to fly through the long tail of interstellar comet 3I/ATLAS, a new paper finds.
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Charred piece of secretive Chinese rocket found still smoldering in the Australian outbackExperts believe that a five-foot-wide piece of space debris discovered near an Australian mining town was part of a dead Chinese rocket. The wreckage likely crashed just before it was found.
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$20 million NASA mission to visit 'God of Chaos' asteroid saved from budget cuts in last-minute decisionNASA's OSIRIS-APEX mission, which was one of 19 designated to be canceled by the Trump administration, has been saved from the chopping block in a last-minute decision. There will be a significant change to its structure, however.
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New report warns that China could overtake the US as top nation in space — and it could happen 'in 5-10 years,' expert claimsA new report from the Commercial Space Federation warns that China could soon overtake the U.S. in the "new space race." The country's rapid progression starkly contrasts the limitations imposed on NASA by record-breaking budget cuts.
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Human stem cells become more active in space — and that's not a good thingStem cells age faster and become functionally exhausted in low Earth orbit, making crewed long-duration space travel even more challenging.
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'Why would you even want to go?': Readers react to the hypothetical 400-year voyage to Alpha CentauriWould you leave Earth behind to travel to our nearest star system? Live Science readers reveal their thoughts about life among the stars.
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Ghostly 'spiral' photobombs Perseid meteors over several US states — and experts are unsure what caused itThe ghostly light, which was triggered by a rocket reentry, sailed across the night sky as skywatchers across the U.S. looked up to see "shooting stars" streak across the heavens. However, experts are confused over which spacecraft is responsible.
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Would you board a spacecraft that takes 400 years to reach Alpha Centauri?
Poll Travelling to our nearest star system is the ultimate one-way trip — but could you live your life among the stars? Let us know in our latest poll.
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