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What Space Smells Like and How to Recreate It
Space smells. But what does it smell like? Different astronauts and scientists have said different things—from seared steak to...
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First Spiral Galaxy in Early Universe Stuns Astronomers
Astronomers have spotted the earliest known spiral galaxy, dating to just three billion years after the Big Bang. Theories...
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New Planet Found, Smaller Than Earth, Orbiting Distant Star
Thirty-three light-years away, in the constellation Leo the lion, astronomers say they have found a world considerably smaller than...
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Decades-Old ‘Pioneer Anomaly’ Mystery Finally Solved
Scientists have finally cracked a decades-old spaceflight riddle, figuring out why NASA’s Pioneer 10 and 11 probes began to...
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Quasar Revealed In Unprecedented Detail
Astronomers have made a crucial step towards a scientific goal by observing the heart of a distant quasar with...
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Why Is Earth So Dry?
With large swaths of oceans, rivers that snake for hundreds of miles, and behemoth glaciers near the north and...
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Loner Galaxy Is Seed of Giant Black Hole
Unsociable galaxies are unusual. Astronomers think that galaxies grow from scraggly clusters of stars to elegant spirals like the...
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Steven Weinberg: Why the Higgs Boson Matters
The announcement that the “Higgs boson” had been discovered at the CERN laboratory in Geneva made news around the...
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God Particle Discovery Reignites Science and Religion Debate
The Higgs boson is perhaps better known by its sexier nickname: the “God particle.” But in fact, many scientists,...
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Solar System Ice: Source of Earth’s Water
Scientists have long believed that comets and, or a type of very primitive meteorite called carbonaceous chondrites were the...