Particle Physics
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Particle Physics
Readers question photons colliding, black sea snakes and more
Readers had questions about brain flexibility, black sea snakes and photon collisions.
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Astronomy
Ultrahigh energy cosmic rays come from outside the Milky Way
The biggest cosmic ray haul ever points toward other galaxies as the source of the rays, not our own.
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Astronomy
The sun’s strongest flare in 11 years might help explain a solar paradox
The sun tends to release its biggest flares at the ends of solar cycles — and we might finally be able to test why.
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Particle Physics
The results from a slew of experiments are in: Dark matter remains elusive
Scientists continue the search for particles that make up the universe’s missing matter.
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Particle Physics
Dark matter still remains elusive
Scientists continue the search for particles that make up the universe’s missing matter.
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Particle Physics
Normally aloof particles of light seen ricocheting off each other
Scientists spot evidence of photons interacting at the Large Hadron Collider.
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Particle Physics
Neutrino experiment may hint at why matter rules the universe
T2K experiment hints at an explanation for what happened to antimatter.
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Particle Physics
Neutrinos seen scattering off an atom’s nucleus for the first time
New type of interaction confirms that neutrinos play by the rules.
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Particle Physics
Newfound particle relies on its charm(s)
First-of-its-kind subatomic particle is composed of two charm quarks and an up quark.
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Planetary Science
Readers intrigued by Mars’ far-out birth
Readers sent feedback on the Red Planet's formation, jumping genes and more
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Particle Physics
Readers puzzled by proton’s properties
Readers sent feedback on under-ice greenhouses in the Arctic, the Martian atmosphere and more.
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Particle Physics
Antiproton count hints at dark matter annihilation
Antimatter in cosmic rays could be a sign of dark matter.