Silver-110’s decay reveals a promising path to measure antineutrino mass. New data could reshape future neutrino studies.

Nearly 50 years ago, physicists floated a bold idea: our universe might be stuck in a false vacuum. This state feels stable, ...

The basic idea of 3D time isn't new. But University of Alaska geophysicist Gunther Kletetschka says his mathematical ...

A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have formed ...

However, although photons of light existed since the first second after the Big Bang, they could not yet shine across the ...

The LSST camera at the Vera C. Rubin Observatory has released its jaw-dropping first images, each capturing 45 times the area ...

For years, astronomers have been working to piece together the story of our universe, but the critical early chapters ...

The invisible dark matter is one of the universe's biggest mysteries, and its existence is confirmed only by the ...

String theory has long been presented as physicists' best candidate for describing the fundamental nature of the Universe.

As the universe expands, it feels like it must be spreading out from some initial point. But a physicist explains why that’s ...

Nearly a decade ago, a detector searching for ghostly cosmic particles found two anomalous signals in Antarctic ice. But ...

Brian Schmidt explains dark energy’s role in accelerating universe expansion, 1998 discovery’s impact, and urges students to ...