Predictions are uncertain, but the solar system may be pushed farther from the galactic core or even ejected entirely from ...

In 1610, astronomer Galileo Galilei used the newly invented telescope to show that the Milky Way was composed of ... naked eye from a dark site. The Andromeda galaxy, then known as the Andromeda ...

The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images ...

"This is the first time that we can see such detailed structures for an external galaxy," she added. Despite its closeness to the Milky Way, the Andromeda galaxy appears six times the diameter of the ...

The Andromeda nebula ... redshifted galaxies were all moving away from the Milky Way. Hubble’s results suggested the farther away a galaxy was, the faster it was moving away from Earth.

The Andromeda Galaxy was the first one that astronomers measured the distance to — and prior to 1925, they were debating whether the Milky Way was all that there was or whether there were other ...

Today, the Hubble Space Telescope has completed the most detailed survey of Andromeda to date. This extensive study has provided valuable new insights into the galaxy’s evolutionary history, revealing ...