Betelgeuse, a red supergiant star located in the constellation Orion, has emerged as one of the night sky's most watched ...
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How our universe colliding with another could change everything
This pretzel-shaped collection of galaxies is our Universe. And it's about to collide with another universe. It might be fascinating to watch, but we should probably be worried about what's going to ...
Scientists have long opposed polar geoengineering. Some now believe it will be necessary.
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Why did NASA kill Apollo, then chase a wild mission to Mars?
The United States walked away from the Moon just as it seemed to master it, then spent decades sketching ever more ambitious paths to Mars that never quite left the drawing board. The shift was not a ...
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