Multi-epoch Hubble Space Telescope imaging, tracked over five to seven years, has produced the first direct measurements of Andromeda’s motion across the sky, confirming that the Milky Way’s nearest ...

As a galactic archaeologist, my job is to reconstruct the past of our galaxy – and read the signs of its future.

Add Yahoo as a preferred source to see more of our stories on Google. This illustration shows a possible view from Earth of the early stages of a predicted merger billions of years from now between ...

For decades, scientists have suspected that a violent collision with a smaller galaxy played an important role in shaping the Milky Way as we observe it today. This suspicion was confirmed in 2018, ...

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 ...