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We Finally Know When Our Milky Way Will Crash Into the Andromeda GalaxyThe monster collision between our Milky Way and fellow spiral galaxy Andromeda will occur about 4.5 billion years from now, rather than in 3.9 billion years.
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Dark Energy Gets Weirder: Mysterious Force May Vary Over TimeDark energy is even more mysterious than astronomers had thought, a new study suggests.
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Deepest View of the Universe Gets DeeperOne of the Hubble Space Telescope's most famous images peered even deeper into the cosmos than scientists had thought.
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Apollo Astronauts May Have Found the Oldest-Known Earth Rock on the MoonA chunk of material brought back from the moon by NASA astronauts in 1971 harbors a 4-billion-year-old piece of Earth that was blasted off our planet by a long-ago impact, a new study suggests.
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No Planet Nine? Weird Orbits of Distant Objects May Have Different ExplanationThe weirdly clustered orbits of some far-flung bodies in our solar system can be explained without invoking a big, undiscovered "Planet Nine," a new study suggests.
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Watch China Land on the Moon's Far Side in This Awesome Video!A spectacular new video gives a lander's-eye view of the first-ever touchdown on the moon's mysterious far side.
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The Hunt Is On for Moons Around Ultima ThuleThe most distant celestial object ever explored may well have moons, and astronomers are trying hard to find them.
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China Makes 1st-Ever Landing on Moon's Mysterious Far SideChina's robotic Chang'e 4 mission touched down inside the huge South Pole-Aitken basin Wednesday (Jan. 2), pulling off the first-ever soft landing on the largely unexplored lunar far side.
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Ultima Thule Looks Like a Bowling Pin in Space in New Horizons Flyby PhotoUltima Thule, the weird Kuiper Belt object that NASA's New Horizons spacecraft visited in a historic flyby on Jan. 1, 2019, looks like a cosmic bowling pin, scientists say.
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NASA's Insight Lander on Mars Spotted from Space -
Asteroid Bennu Had Water! NASA Probe Makes Tantalizing FindNASA's OSIRIS-REx probe, which just arrived at the asteroid Bennu last week, has already found lots of hydrated minerals on the space rock, mission team members announced today (Dec. 10).
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China Launches 1st Mission to Land on Far Side of the MoonChina's robotic Chang'e 4 spacecraft launched from Xichang Satellite Launch Center Dec. 7, kicking off the first-ever surface mission to the moon's far side.
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Moldy Mouse Chow Delays SpaceX Dragon Launch to Space StationSpaceX's next cargo launch to the International Space Station has been pushed back to Wednesday (Dec. 5) due to a rodent problem.
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Hello, Bennu! NASA Asteroid-Sampling Probe Reaches Its Target Space RockNASA's OSIRIS-REx probe sidled up to the diamond-shaped asteroid Bennu today (Dec. 3), bringing an end to a circuitous deep-space chase that lasted 27 months.
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SpaceX Rocket Makes Historic 3rd Launch Into Space with 64 Satellites On Board -
Soar Over NASA's InSight Landing Site on Mars in This Stunning VideoA new video gives a bird's-eye view of the patch of Mars that NASA's InSight lander now calls home.
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Touchdown on Mars! NASA's InSight Lands to Peer Inside the Red PlanetNASA's InSight lander touched down safely on the Martian surface today (Nov. 26), pulling off the first successful Red Planet landing since the Curiosity rover's arrival in August 2012.
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No More 'BFR': Elon Musk Changes Name of Mars RocketElon Musk is rebranding SpaceX's Mars-colonizing spaceflight system yet again.
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Where Are All the Aliens? 'Out There' Book Excerpt -
SpaceX's 'Starman' and Its Tesla Roadster Are Now Beyond MarsStarman has put a lot of miles on his ride in the last nine months.
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A NASA Spacecraft Just Broke the Record for Closest Approach to SunNASA’s Parker Solar Probe just got closer to the sun than any other human-made object in history.
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Weird Rectangular Iceberg in Antarctica Isn't Alone, NASA Photos ShowA NASA scientist actually spotted two sharp-cornered icebergs during a recent research flight over Antarctica.
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BepiColombo Spacecraft Headed to Mercury Snaps 1st Photo, a Selfie -
Another NASA Space Telescope Sidelined by GlitchThe Chandra X-ray Observatory, which has been observing the universe in high-energy light since 1999, entered a protective "safe mode" on Wednesday (Oct. 10).
