The Milky Way was rewired by a cataclysmic collision billions of years ago. Now it is on course for another

No matter the time or vantage point, from a pre-Neolithic cave to a post-lockdown London high-rise, the predictability of the night sky has always been humanity's symbol of permanence and reassuring stability.

This report comes from Phys.org. The story centres on The Milky Way was rewired by a cataclysmic collision billions of years ago. Now it is on course for another. Full coverage and background context is available at the original source. Readers seeking more detail on this developing topic are encouraged to follow updates from Phys.org and related outlets covering this beat.