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 ...

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 ...