Physics
It’s crunch time for dark matter if WIMPs don’t show
If dark matter isn't made of WIMPs, could neutrinos or axions fit the bill? What if it's not a particle at all but a strange modification of gravity?
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If dark matter isn't made of WIMPs, could neutrinos or axions fit the bill? What if it's not a particle at all but a strange modification of gravity?
Experiments keep failing to find direct evidence for the dark stuff. Physicist Mordehai Milgrom says it's time to accept modified Newtonian dynamics instead