Gamma-ray observation may provide first direct evidence for dark matter

Tokyo, Japan (SPX) Nov 26, 2025

In the 1930s, astronomer Fritz Zwicky noted that galaxies moved faster than expected for their visible mass, suggesting an unseen matter now known as dark matter. Since then, dark matter remained unobserved except through its gravitational effect on visible matter.

Researchers have targeted areas dense in dark matter to find signals predicted by theoretical models. A leading hypothesis hol