But only in the last 70 years have we known for certain they were there. In 1956, physicists Clyde Cowan and Frederick Reines ...

Scientists at Fermilab’s MicroBooNE experiment have ruled out the existence of the elusive sterile neutrino, a particle ...

The Universe should not exist. At least, not according to simple physics. After the Big Bang, equal parts matter and antimatter should have formed, then wiped each other out in flashes of energy.

Everything we see around us, from the ground beneath our feet to the most remote galaxies, is made of matter. For scientists, that has long posed a problem: According to physicists’ best current ...

A new investigation of the early Universe led by Poland's National Centre for Nuclear Research has just found that there may ...

The particle in question, known as a sterile neutrino, was supposed to only interact with gravity and have zero interactions with matter.

In a rare global collaboration, scientists from Japan and the United States joined forces to explore one of the universe’s deepest mysteries — why anything exists at all. By combining years of data ...

Scientists have found hints that ghostly neutrinos may interact with dark matter. The unexpected link could help explain ...

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When analyzing early universe data, the Standard Model of Cosmology suggests that the universe should be more “clumpy” that ...

The universe's matter-antimatter asymmetry, where matter significantly outweighs antimatter despite their theoretically equal creation at the Big Bang, remains a major unsolved problem in physics.