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Anti-Matter Universe Sought By Space-Based Detector
A seven metric ton particle detector parked for over a year on the International Space Station (ISS) aims to...
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Kepler Spots Perfectly Aligned Alien Worlds
When NASA’s Kepler space telescope started finding planets at odd angles to their parent stars, scientists wondered if our...
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‘Impossible’ Stars Found in Super-Close Orbital Dances
Four pairs of what astronomers are calling “impossible stars” — stellar twins in orbits so close they defy explanation...
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Polar Bears, Brown Bears Interbreed to Cope With Climate Change
Polar and brown bears diverged between 4 million and 5 million years ago, but they continued to interbreed when...
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Rethinking Modern Human Origins
It’s assumed that modern humans, Homo sapiens, originated in Africa sometime between 200,000 and 100,000 years ago. But paleoanthropologist...
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Meteorites Hold Secrets of Earth’s Formation
Scientists attempting to better understand the formation and the present-day layering of planet Earth have turned to ancient meteorites...
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Modern Humans Greater Threat to Neanderthals
Modern humans were likely a greater threat to the Neanderthals than major natural events like extreme cold weather or...
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Neanderthals Had Knowledge of Plants’ Healing Qualities
An international team of researchers has provided the first molecular evidence that Neanderthals not only ate a range of...
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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...