Some galaxies that should have ceased forming stars long ago are defying expectations. Anew theory proposes the existence of ...

indicating that galaxies stop forming stars earlier than predicted by models. For a long time, scientists thought that only ...

"We were surprised by the streams of light that were visible near the center of the galaxies, as nothing similar has been ...

Languages: English. Despite appearing "dead"—i.e., forming no new stars—some red galaxies may secretly be alive, quietly birthing small stars under our noses. This is the conclusion of ...

Hidden galaxies offering a glimpse into the past could reveal previously unknown secrets of the universe, challenging current models.

Galaxies die earlier than expected Date: April 2, 2025 Source: Université de Genève Summary: For a long time, scientists thought that only actively star-forming galaxies should be observed in ...

"We discovered a galaxy which formed 15 billion times the mass of the sun in stars and then stopped forming stars before the universe was only 700 million years old." Using the James Webb Space ...

Understanding them helps scientists test how galaxies form, evolve, and gather stars over time. Dwarf galaxies usually have a total stellar mass of less than one billion suns. That’s a fraction ...

It challenges what we know about how galaxies form. Picture a galaxy like our own Milky Way: a flat, rotating structure made up of stars, gas and dust, often surrounded by an extensive halo of ...

The former refers to an as-yet undetectable form of matter that keeps galaxies and their stars more tightly bound together than gravity alone can explain. The latter is an unseen force that’s ...

The conditions are more extreme because a lot of stars are forming rapidly in a small volume.” Galaxies typically begin from huge gas clouds that collapse and rotate, filling with young stars ...