A brief blaze of gamma and X-ray light that lit up Earth telescopes in November 2024 may have come from an unexpected source. Just a few seconds earlier, from the same tiny corner of the sky, ...

For nearly a century, scientists have been searching for direct evidence of dark matter—one of the key missing pieces of our theoretical understanding of the universe. While we have glimpsed the ...

Learn how a two-state model of dark matter could explain why gamma-ray signals appear in some galaxies but not others.

Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a glimpse of it. A University of Tokyo researcher analyzing ...

Here’s what you’ll learn when you read this story: For nearly a century, scientists have been searching for direct evidence of dark matter—one of the key missing pieces of our theoretical ...

Here’s what you’ll learn when you read this story: In the early 1930s, Swiss-American astronomer Fritz Zwicky had a problem. Observing the galaxies in the Coma cluster, Zwicky concluded that they were ...