Join in for live views of our nearby galactic neighborhood from the dark skies at McDonald Observatory.

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...

Over the course of human history, perhaps no single object in the night sky has drawn more attention than the Andromeda ...

On the night of Oct. 5, 1923, Edwin Hubble observed a strange star that flickered in intensity at regular intervals. The star ...

The Andromeda galaxy in ultraviolet light as seen by NASA’s Galaxy Evolution Explorer space telescope. (Image by NASA/JPL-Caltech) When we look up at the night sky, most of us see stars, most of which ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

For decades, astronomers have said of our Milky Way galaxy is headed for an inevitable, head-on collision with its colossal neighbor, Andromeda, in approximately 4.5 billion years. This collision, ...

It's been textbook knowledge for over a century that our Milky Way galaxy is doomed to collide with another large spiral galaxy, Andromeda, in the next 5 billion years and merge into one even bigger ...

A three-panel image, two at the top and one stretched across the bottom. At top left, two spiral galaxies are widely separated against the black background of space. At top right, two face-on spiral ...

Why is there not a rating on this post? While the photo appears to be edited past what is considered normal, there's not quite enough verified evidence for us to definitively call it fake. Contact us ...

Galaxies stretch across the universe like cosmic islands, scattered in a vast ocean of darkness. Some drift alone, untouched for eons. Others collide, tangle, and reshape. The Milky Way and Andromeda ...

A Hubble Space Telescope study takes a close look at the dwarf galaxies surrounding Andromeda. Surrounding the Andromeda galaxy, three dozen tiny galaxies aren't behaving the way scientists expected.