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Dark matter and energy

Dark matter and energy

Helium, not dark matter, might explain DAMA’s strong signal

16 Jan 2019
Gran Sasso
Helium peak: the DAMA dark matter detector is under Gran Sasso mountain. (CC BY-SA 3.0 Lucio De Marcellis)
A long-standing and controversial claim by physicists in Italy to have detected dark matter might be

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Edwin Cartilidge is a science writer based in Rome
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