Neutrinos are the most common particles in the universe. Not having an electric charge and being very light, they can move to ...

Physicists have set a new upper limit on the mass of neutrinos. And the finding could poke a big hole in the Standard Model ...

In just the first 259 days of data collection, KATRIN, a beta-decay-based detector in Germany, has set the smallest upper ...

Scientists are inching closer to uncovering the mass of ghost particles, a mystery that has remained unsolved for decades.

It is no heavier than 0.45 electron volts (eV) — less than one-millionth the mass of an electron, the next-lightest known ...

The KATRIN experiment in Germany nearly halved the maximum possible mass for neutrinos, setting it at 0.45 electron volts.

Scientists from the KATRIN experiment have achieved the most precise upper limit ever recorded for the mass of the mysterious ...

A new measurement finds the universe's teensiest particles weigh no more than one-millionth the mass of an electron.

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Scientists trying to discover the elusive mass of neutrinos, tiny "ghost particles" that could solve some of the universe's ...

Physicists have scaled down the maximum possible mass of an elusive "ghost particle" called a neutrino to at least one-millionth the weight of an electron. The revision takes scientists one more ...