"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 ...

The European Space Agency (ESA) has powered down its Gaia spacecraft after more than a decade spent gathering data that are ...

The Big Wheel galaxy formed just 1.7 billion years after the Big Bang, at a time when the universe was only 15% of its current age.

Nicknamed the “Big Wheel,” a giant, spiral-shaped disk galaxy was spotted in an unusually crowded part of the early universe just two billion years after the big bang ...

The European Space Agency (ESA) has officially retired its Gaia spacecraft, after over ten years of data collection on our ...

Hubble captures dwarf galaxies merging in real-time, confirming long-theorized star cluster collisions. These events unlock ...

After more than a decade of charting the stars with extraordinary precision, the Gaia spacecraft has completed its mission.

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

The mission uncovered evidence of past galactic mergers, identified new star clusters, contributed to the discovery of exoplanets and black holes, mapped millions of quasars and galaxies ...