Scientists have not yet observed dark matter directly ... where a galaxy's visible matter is concentrated. But observations show that stars orbit at more or less the same speed regardless of ...

Galactic dark matter content is thought to be heavily concentrated in the centers of galaxies, but it's believed the substance also extends out to form a spherical shell that extends far beyond ...

Welcome to the kingdom of the dark. We do not understand what dark matter is, but we know that it exists. The evidence goes all the way back to the 1930s and the efforts of pioneering astronomer ...

In dark matter halos, axion field oscillations can ... loops could help by seeding halos earlier and making them more concentrated, increasing the likelihood of their formation.

Dark matter may have contributed to the formation of giant black holes in the early universe, researchers propose in a new paper. More observations, especially with the James Webb Space Telescope ...

Primordial black holes could inhabit the modern-day cosmos, making them responsible for the phenomenon of dark matter, according to new research. In the extremely early universe, primordial black ...

The structural backbone of this bridge is dark matter, the universe's most mysterious "stuff." Dark matter remains effectively invisible by not interacting with light, but its interaction with ...