Image: Snapshots of the time evolution of a collision of two spiral galaxies with black holes at their center from a computer simulation. Color indicates temperature and brightness the gas density.

Cosmological simulations have become indispensable tools for understanding the assembly of galaxies within the framework of a ΛCDM Universe. By numerically integrating the coupled equations of gravity ...

This animation shows the simulated evolution of a galaxy over 200 million years. While the simulations look very similar with and without the machine learning AI model, the AI model performed 4 times ...

Galaxies are far more than the sum of their stars. Long before stars even formed, dark matter clumped up and drew regular matter together with its gravity, providing the invisible scaffolding upon ...

In a feat of galactic archeology, astronomers are using ever more detailed information to trace the origin of our galaxy—and to learn about how other galaxies formed in the early stages of the ...

A research team led by Prof. Wang Huiyuan from the University of Science and Technology of China (USTC) has made a groundbreaking discovery, identifying for the first time an exceptionally strong ...

An international research team led by Chinese scientists at the National Astronomical Observatories of the Chinese Academy of ...

A new study suggests that some of the Universe’s earliest giant galaxies may have lived dramatic lives. They began as dusty ...

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Above a certain threshold, galaxies stop growing , no matter how much raw material they have on hand. The question is: what ...

Cosmological hydrodynamics and galaxy formation simulations combine gravitational dynamics with fluid physics to model the growth of structure from the early Universe to the present day. By solving ...