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UFO whistleblowers tell Congress 'we are not alone in the cosmos'
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China reveals secrets of 1st sample taken from the far side of the moon — and it contains a volcanic surprise
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Scientists analyze largest map of the universe ever created — and it proves Einstein right yet again
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James Webb telescope uncovers 1st-ever 'Einstein zig-zag' hiding in plain sight — and it could help save cosmology
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The Leonid meteor shower is peaking. How to spot 'shooting stars' and 'fireballs' over the US tonight.
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Space photo of the week: Stare into the 'bloodshot eyes' of a haunting galaxy pair
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China's Mars rover Zhurong finds possible shoreline of ancient Red Planet ocean
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China reveals secrets of 1st sample taken from the far side of the moon — and it contains a volcanic surprise
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Scientists analyze largest map of the universe ever created — and it proves Einstein right yet again
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James Webb telescope uncovers 1st-ever 'Einstein zig-zag' hiding in plain sight — and it could help save cosmology
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Space photo of the week: Stare into the 'bloodshot eyes' of a haunting galaxy pair
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China's Mars rover Zhurong finds possible shoreline of ancient Red Planet ocean
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Meteorite found in a drawer at university contains 700-million-year-old evidence of water on Mars
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Where do fast radio bursts come from? Astronomers tie mysterious eruptions to massive galaxies.
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'Unique and extreme': James Webb telescope detects possible alien world bubbling over with volcanoes
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'The bottom line is, I told you so': JWST observations upend standard model of how galaxies form, new study claims
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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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'Space trash' will lead us to intelligent aliens, Harvard astrophysicist Avi Loeb says
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Infamous 'Wow! signal' that hinted at aliens may actually be an exceptionally rare cosmic event
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SETI searches for alien life in over 1,000 galaxies using unexplored radio frequencies
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If alien life exists on Europa, we may find it in hydrothermal vents
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Space Force's mysterious X-37B begins 'aerobraking' to lower orbit. Here's how it works.
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World's 1st wooden satellite arrives at ISS for key orbital test
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Death of alien-hunting Arecibo Telescope traced to cable issues 3 years earlier, 'alarming' report finds
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North Korea launches intercontinental ballistic missile to space, reaches record altitude
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Voyager 1 loses contact with NASA, turns on retro transmitter not used since 1981
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ISS leaks among 50 'areas of concern' for astronaut safety: report
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Boeing-made satellite shatters in orbit, and nobody knows why
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'Lost in insignificance': Here's what it's like to rappel into the solar system's largest canyon
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Europa Clipper: What's next for NASA's biggest-ever interplanetary spacecraft?
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