"A supercomputer simulation shows many galaxies merging over time. The parts of galaxies we can see are glowing stars forming from gas in their central parts. Visualizations like these inform ...

Nicknamed the “Big Wheel,” a giant, spiral-shaped disk galaxy was spotted in an unusually crowded part of the early universe ...

Black holes come in a range of sizes. Stellar mass black holes form from the collapse of massive stars, typically weighing ...

A new study reports the first direct observation of merging star clusters in the nuclear region of dwarf galaxies. This ...

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