We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

"It's extremely rare and exciting to find a quasar-hosting galaxy with spiral arms and a black hole that ... as the material from two or more galaxies mashes together, and heated gas is funneled ...

But astronomers scrutinizing this particular Hubble image found the central galaxy actually sports a swirl of spiral arms seemingly unruffled ... on" within just two decades.

Why it's so special: This image of a spiral galaxy taken by the Hubble Space Telescope is a portrait more than two decades in the ... associated with vivid spiral arms, which can only be seen ...

Galaxy NGC 4535 is truly a stunning sight and is located in the constellation of Virgo, around 50 million light-years from ...

This galaxy, located at a photometric redshift of about 5.2, has a mass comparable to that of the Milky Way. Zhúlóng stands out for its well-defined spiral arms, extending over 62,000 light-years, and ...

By far the most common type of galaxy, spiral galaxies have a bright, dense core of stars collected in a central globe, from ...

while spiral galaxies have defined spiral arms curving out from their centers. The grand design spiral galaxy is the most magnificently structured sort of galaxy, with prominent, well-formed and ...