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'Something's missing': Physicists still can't explain why the universe expands the way it does
A comprehensive new study combines decades of research to reveal that we're missing an essential component in our understanding of how the universe works.
Gravity has been tested extremely well inside the solar system. On cosmic scales, direct tests are harder. This study pushes ...
A major international effort has produced an ultra-precise measurement of the Universe’s expansion rate, confirming it’s ...
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Experts ask where the center of the universe is
This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. About a century ago, scientists were struggling to ...
Add Yahoo as a preferred source to see more of our stories on Google. In space, there are four dimensions: length, width, height and time. scaliger/iStock/NASA via Getty Images Plus About a century ...
Neutrinos are one of the most elusive and omnipresent particles in the universe. Their strange properties may explain why the amounts of matter and antimatter in our universe aren’t equal, as most ...
Pt. I, Stars, planets, and life : -- The size and scale of the universe -- From the day and night sky to planetary orbits -- Newton's Laws -- How stars radiate energy (I) -- How stars radiate energy ...
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