In the very young universe, just a fraction of its current age, astronomers have stumbled on a set of objects that refuse to ...

NASA’s James Webb Space Telescope has turned up a tiny set of galaxies in the early universe that look deceptively simple but ...

A paper links dark stars to Webb telescope puzzles involving bright sources, dust-free galaxies, and early black holes.

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A wobbling jet from a giant, voracious black hole is suppressing star formation in a distant galaxy—and astronomers have ...

The Milky Way's satellite galaxies are less typical than previously thought. Most Milky Way-like galaxies have star-forming satellite galaxies, unlike our own. The Milky Way's unique satellite galaxy ...