Using variable stars as distance markers and the giant telescope on Mount Wilson, Edwin Hubble (then a young and little-known astronomer ... the distance to the Andromeda Galaxy much more ...

Andromeda XXXV is what astronomers term an ultra-faint dwarf galaxy ... during the universe-wide event known as reionization, ...

The findings reveal unusual chemical signatures and offer new insights into the behavior of novas beyond the Milky Way.

An extreme protocluster gathering of infant galaxies is hiding a vast cosmic fuel tank that is powering 400 million years of ...

The dust rings of the Andromeda Galaxy stand out in this infrared ... he made an astonishing discovery. Przybylski’s Star, as it is now known, is about twice the diameter and four times the ...

Looking for a really big story, I naturally headed for "Galaxies in Collision." Bradley Whitmore of the Space Telescope Science Institute in Baltimore brought us up to speed. We've known for a ...

Andromeda XXXV, the faintest and smallest known satellite galaxy in the Andromeda system ... An intriguing aspect of Andromeda XXXV is its long period of star formation, which contrasts with that of ...

Researchers are studying how it retained conditions for star formation despite harsh ... The video of Andromeda Galaxy, also known as Messier 31 or M31, has left users on the micro-blogging ...