Astronomers have caught multiple massive galaxies in the act of merging about 4 billion years ago. This discovery, made possible by combining the power of the best ground- and space-based telescopes, ...

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Dozens of dwarf galaxies swarming around the Andromeda Galaxy like bees have been caught on camera by the Hubble Space Telescope, which took more than a thousand orbits of the Earth to take enough ...

How do galaxies such as our Milky Way come into existence? How do they grow and change over time? The science behind galaxy formation has remained a puzzle for decades, but a University of Arizona-led ...

"Imagine that you shoot a cloud with a gun; the energy of the bullet can be as large as you wish, and the cloud won't care. Yet we see less clouds of gas where there are black holes." When you ...

The James Webb Space Telescope (JWST) is the largest and most powerful space telescope built to date. Since it was launched in December 2021 it has provided groundbreaking insights. These include ...

When looking up at the sky, you might think galaxies have always looked the way they do today. But a new study from Princeton University and published in the journal, Monthly Notices of the Royal ...