Every galaxy we can see is believed to sit at the center of a huge cloud of invisible material called a dark matter halo. These halos stretch far beyond the edges of the visible stars and gas in a ...

The universe is vast and mysterious, with over 85% of its mass composed of an invisible substance known as dark matter.

Learn how through a process known as molecular hydrogen cooling, stars may be able to form in dark matter halos under 10 ...

Every galaxy is thought to form at the center of a dark matter halo. Stars are formed when gravity within dark matter halos draws in gas, but astrophysicists don't know whether star-free dark matter ...

Ethan Nadler, a computational astrophysicist at UC San Diego, may have found an answer. Using analytic predictions from ...

The smaller, intermediate mass black hole was likely derived from the Sausage Galaxy, which collided with the Milky Way 10 ...

Astronomers have uncovered a spiral galaxy nearly a billion light-years away that hosts a supermassive black hole launching ...

Astrophysicists have teased a hellish potential future in which life on Earth is extinguished by deadly radiation from the ...

"This work highlights Euclid's remarkable ability to detect and characterize dwarf galaxies, enabling a comprehensive view of galaxy formation ... dust and dark matter, to be ejected into space.

"This work highlights Euclid’s remarkable ability to detect and characterize dwarf galaxies, enabling a comprehensive view of galaxy formation ... better understand dark matter and dark energy ...

Although the galaxy is surrounded by a halo of X-ray-emitting gas needed ... governing the universe—including the nature of dark matter, the long-term fate of galaxies, and the origin of life ...