M31, the spiral galaxy in Andromeda, with its two companion elliptical galaxies, the very small M32 ... [+] below, and larger M110 above. (Photo by: Alan Dyer/VW Pics/Universal Images Group via ...
In this episode, Dave Eicher invites you to observe one of the most famous deep-sky objects, the Andromeda Galaxy, also known as Messier 31 (M31). Named for its location in the constellation ...
To explore the galaxy and hunt for resources, intelligent aliens might need to turn their home stars into natural spaceships, a new paper suggests. A few known star systems might fit the bill.
When you think of aliens, it’s an image that immediately ... our own Milky Way galaxy will collide with the neighboring Andromeda galaxy, but we have a few billion years before we have to ...
Binary star systems could be used as spacecraft by alien civilisations Hypothetical thrust generated by manipulating stellar material is explore Some known hypervelocity stars may fit this theory, ...