Space
A controversial X-ray glow didn’t show up in the Milky Way’s dark matter halo
A new look at old data suggests that an odd X-ray glow that emanates from some galaxies cannot come from decaying dark matter.
Particle Physics
More Stories in Particle Physics
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Particle PhysicsAntimatter hydrogen has the same quantum quirk as normal hydrogen
Atoms of antihydrogen are affected by the Lamb shift, which results from transient particles appearing and disappearing.
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PhysicsA barrier to colliding particles called muons has been smashed
Future particle accelerators could slam muons together to reach higher energies than any before.
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Particle PhysicsMisbehaving kaons could hint at the existence of new particles
Certain extremely rare decays seem to be happening more often than expected, and scientists don’t know why.
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PhysicsMounting evidence suggests neutrinos are key to why antimatter is rare
The source of matter’s dominance over antimatter might be revealed by the tiny subatomic particles.
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PhysicsPhysicists have found quasiparticles that mimic hypothetical dark matter axions
These subatomic particles could make up dark matter in the cosmos. A mathematically similar phenomenon occurs in a solid material.
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PhysicsA new experiment slashes the maximum possible mass of tiny neutrinos
The KATRIN experiment suggests that the tiny subatomic particles have masses a minuscule fraction of an electron’s.
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AstronomyHow an astrophysicist chased a star from the Halo games to real life
Julián Alvarado Gómez has devoted his career to a star called Iota Horologii. His former life as a Halo video gamer helps fuel that devotion.
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Particle PhysicsHow a 2017 radioactive plume may be tied to Russia and nixed neutrino research
A botched attempt at producing radioactive material needed for a neutrino experiment may have released ruthenium-106 to the atmosphere in 2017.
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Particle PhysicsDark matter particles won’t kill you. If they could, they would have already
The fact that no one has been killed by shots of dark matter suggests the mysterious substance is relatively small and light.