There's a 50% chance that the predicted head-on collision will end in a galactic merger, according to a new study. Reading time 2 minutes For decades, astronomers have predicted that, in approximately ...

This illustration shows the orbits of stars very close to Sagittarius A*, a supermassive black hole at the heart of the Milky Way. Despite their ancient ages, some stars orbiting the Milky Way’s ...

Densely packed, fast-moving stars at the Milky Way's center can collide with each other. New research uses simulations to explore the outcomes of these collisions. Some collisions are more like ...