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NASA's Parker Solar Probe completes historic Christmas Eve flyby of the sun — but it could take days to know if it survived
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'Like nothing we've seen before': James Webb telescope spies a mysterious asteroid-comet hybrid lurking past Jupiter
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Is the moon a planet?
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'There's no real competitor': Theoretical physicist Marika Taylor on how black holes could help us to find a theory of everything
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Watch Chinese satellite burn up over US in spectacular 'fireball'
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10 supercharged solar storms that blew us away in 2024
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'Mathematically perfect' star system discovered 105 light-years from Earth may still be in its infancy. Could that change its prospects for life?
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'Like nothing we've seen before': James Webb telescope spies a mysterious asteroid-comet hybrid lurking past Jupiter
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Is the moon a planet?
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'There's no real competitor': Theoretical physicist Marika Taylor on how black holes could help us to find a theory of everything
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10 supercharged solar storms that blew us away in 2024
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'Mathematically perfect' star system discovered 105 light-years from Earth may still be in its infancy. Could that change its prospects for life?
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Everything you need to know about digiscoping
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Space photo of the week: James Webb and Chandra spot a cosmic 'Christmas Wreath' sparkling in the galaxy next door
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Do black holes really evaporate — and how do we know?
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James Webb telescope solves 20-year-old Hubble conundrum — and it could finally explain why the universe's oldest planets exist
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Alien life may look nothing like life on Earth — so how should we go about looking for it?
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12 strange reasons humans haven't found alien life yet
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'It's hard not to believe he saw something': Historian Greg Eghigian on how UFOs took over the world
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The fastest-moving stars in the galaxy may be piloted by intelligent aliens, new paper suggests
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UFO whistleblowers tell Congress 'we are not alone in the cosmos'
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It would be easier to find aliens in a parallel universe than in our own, new multiverse study claims
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Does alien life need a planet to survive? Scientists propose intriguing possibility
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Father-daughter team decodes 'alien signal' from Mars that stumped the world for a year
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Alien civilizations are probably killing themselves from climate change, bleak study suggests
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NASA's Parker Solar Probe completes historic Christmas Eve flyby of the sun — but it could take days to know if it survived
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NASA's Parker Solar Probe will reach its closest-ever point to the sun on Christmas Eve
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Boeing Starliner astronauts could spend nearly 300 days stuck in space — is that a new record?
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NASA astronauts' return to Earth delayed until at least 'late March' 2025
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How long does it take to travel to the moon?
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Space photo of the week: Astronaut spots 2 nearby galaxies from SpaceX capsule
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NASA delays historic Artemis missions — yet again
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Europe launches twin spacecraft to make daily solar eclipses in space. Here's what to know about Proba-3.
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Astronauts baffled by 'unexpected odor' leaking from Russian spacecraft docked at ISS
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