Excess antielectrons aren’t from nearby dead stars, study says

The finding keeps open the possibility that the particles come from dark matter

HAWC experiment in Mexico

WATCHING LIKE A HAWC  The HAWC experiment near Puebla, Mexico, uses more than 300 tanks of water to detect the signatures of gamma rays. Its new observations have reignited a debate about the source of unexplained antimatter particles from space.

J. Goodman

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