
Beyond the Big Bang: Could a Time-Reversed Cosmos Solve Physics' Biggest Mysteries?
The opening moments of cosmic history remain among the deepest unsolved problems in modern science.
Research news, experiments and explainers — 936 articles on the most elusive particle in the Standard Model.
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The opening moments of cosmic history remain among the deepest unsolved problems in modern science.

For decades, cosmologists have described the universe using a model in which its invisible ingredients coexist without directly influencing one another.

Deep beneath a Japanese mountain, a detector has spent thousands of days listening for one of the universe's faintest signals.

As construction advances on one of the world's most ambitious neutrino experiments, attention is increasingly turning toward another essential challenge…

When thousands of delicate sensors shattered inside Japan's Super-Kamiokande detector, the accident became one of the most remarkable engineering setbacks in…

Few scientific pursuits have demanded as much ingenuity as the effort to observe the neutrino, a particle so elusive that trillions pass through every person…

The deepest observations from the James Webb Space Telescope continue to uncover unexpected features of the early universe.

They were looking for a black hole. When a high-energy neutrino arrived at the IceCube Neutrino Observatory in Antarctica, catalogued as IC 210922A…

The neutrino passes through everything. The question, it turns out, was never whether it interacts with matter. It does.

A cavern carved into the rock of southern China has become the setting for one of the most precise particle physics measurements ever achieved.

One of modern physics' smallest particles has become the center of a surprisingly large disagreement.

Across the universe, massive stars spend millions of years forging elements in their fiery interiors.