A recent paper reveals we're almost certainly going to collide with a galaxy in the next couple billion years, but it's not the one we thought. Reading time 2 minutes For over a decade, researchers ...

Astronomers using the James Webb Space Telescope have identified a rare system of at least five galaxies merging in the early universe, approximately 800 million years after the Big Bang. The ...

Near-infrared images from the James Webb Space Telescope revealed five early universe galaxies merging within a large halo.

Galaxy mergers are fundamental events in the hierarchical assembly of structure, in which two or more gravitationally bound systems coalesce to form a single, more massive galaxy. Such interactions ...