New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion-powered suns, but enormous “supermassive dark stars” powered by dark ...

At the center of our galaxy, there’s a mysterious, diffuse glow given off by gamma rays — powerful radiation usually emitted by high-energy objects such as rapidly rotating or exploding stars. NASA’s ...

The dark object has a mass a million times greater than our sun's is located 10 billion light-years away and has no stars. A "dark object" detected as an anomalous notch in the arc of a ...

Astrophysicists may have spotted evidence for “dark stars,” an unusual type of star that could possibly have existed in the earliest days of the universe, in data from the James Webb Space Telescope.

For decades, astronomers have searched for something they cannot see. They call it dark matter—an invisible substance thought to make up most of the universe’s mass, sculpting galaxies and clusters ...

The nature of dark matter remains one of the greatest mysteries in cosmology. Within the standard framework of non-collisional cold dark matter (CDM), various models are considered: WIMPs (Weakly ...