Antimatter engines could propel humanity into the next phase of spaceflight, but building them for spacecraft is still a long way off.Nzoka John / Getty Images Antimatter engines could be humanity's ...

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The AMS operates in space from the International Space Station. Its purpose is to study cosmic rays in search of dark matter and antimatter. Credit: NASA In May 2011 the shuttle Endeavour ferried the ...

Scientists are on the hunt for evidence of antimatter – matter’s arch nemesis – left over from the very early Universe. New results using data from NASA’s Chandra X-ray Observatory and Compton Gamma ...

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