particle astrophysics
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Extremely Sensitive Dark Matter Experiment Detects Something Weird
A mysterious signal has appeared in an extremely sensitive dark matter-hunting experiment. And after more than a year of trying to convince themselves that they were looking at noise, scientists think they might have found something new.
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Our Sun Could One Day Turn Into A Crystal Ball
At the end of its life, our Sun could end up as a crystal—and physicists now have observational evidence to back up that theory.
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Cosmic Ray Mystery Finally Cracked Thanks To Supermassive Black Hole Beaming Energy Straight At Earth
Every so often, protons and even entire atomic nuclei strike the Earth with extremely high energies—much higher than what scientists can produce in their most powerful physics experiments. Since the discovery of “cosmic rays” a hundred years ago, no one knew for sure where the most energetic of these particles came from—until now.
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Mysterious New Results Can’t Explain Why So Much Antimatter Hits Earth
New observations of nearby pulsars – lighthouse-like neutron stars beaming energy – seem to have deepened a mystery that’s been bugging scientists for around a decade. The Earth is being hit with too much antimatter from outer space, and no one is sure why.