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Scientists put moss on the outside of the International Space Station for 9 months — then kept it growing back on Earth
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Three more Chinese astronauts are now stranded in space following successful rescue of their colleagues
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Record-breaking black hole collision finally explained
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Live blogToday's biggest science news: Shenzhou-22 relieves stranded astronauts | Ancient volcano erupts | 'Other' comet ATLAS disintegrates
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RIP 'other ATLAS': Watch the doomed comet explode into pieces in incredible new images
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Marooned no more! Stranded Chinese astronauts finally have a way home following launch of unmanned 'lifeboat'
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DealsAward-winning astrophotographer Josh Dury recommends this telescope for budding astronomers. The price has already dropped to its lowest price this year
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James Webb telescope may have discovered the earliest, most distant black hole ever seen
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See a rare conjunction of Mercury and Venus late tonight
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Odd-looking rock on Mars is totally alien to the Red Planet, Perseverance rover finds
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RIP 'other ATLAS': Watch the doomed comet explode into pieces in incredible new images
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Deals
Award-winning astrophotographer Josh Dury recommends this telescope for budding astronomers. The price has already dropped to its lowest price this year
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James Webb telescope may have discovered the earliest, most distant black hole ever seen
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See a rare conjunction of Mercury and Venus late tonight
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Odd-looking rock on Mars is totally alien to the Red Planet, Perseverance rover finds
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Giant 'diamond ring' sparkles 4,500 light-years away in the Cygnus constellation — Space photo of the week
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ReviewCanon 8x20 IS binocular review
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Mysterious galaxy trapped in 'the void' keeps churning out stars without fuel
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Comet 3I/ATLAS gallery: See NASA's long-awaited images of interstellar visitor
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Is it aliens? Here's why that's the least important question about 3I/ATLAS.
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Chinese scientists hunt for alien radio signals in 'potentially habitable' TRAPPIST-1 system
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Where could alien life exist in our solar system?
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Camera trap in Chile detects strange lights blazing through the wilderness. Researchers are scrambling to explain them.
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Will the James Webb telescope finally lead us to alien life?
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Cosmic rays could help support alien life on worlds outside the 'Goldilocks zone'
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Controversial paper questions whether interstellar visitor 3I/ATLAS is 'possibly hostile' alien tech in disguise
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Aliens: Facts about extraterrestrial life and how scientists are looking for it
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'Strange' star pulses detected in search for extraterrestrial intelligence
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Marooned no more! Stranded Chinese astronauts finally have a way home following launch of unmanned 'lifeboat'
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Secretive SpaceX satellites operated by US government are shooting disruptive radio signals into space, astronomer accidentally discovers
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Three more Chinese astronauts are now stranded in space following successful rescue of their colleagues
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Chinese astronauts are back on Earth after suspected 'space junk' strike left them stranded in space
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Blue Origin New Glenn rocket: New launch window for historic Mars mission after solar storm delay
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'Stranded' astronauts aboard Chinese space station are preparing to come home — but no date has been announced
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Three Chinese astronauts stranded in space after debris hits their return capsule
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We sharpened the James Webb telescope's vision from a million miles away. Here's how.
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Controversial startup's plan to 'sell sunlight' using giant mirrors in space would be 'catastrophic' and 'horrifying,' astronomers warn
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