"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in astronomy, with arguably the most famous example of a swirling armed ...

The jets of a supermassive black hole are one of the cosmos' greatest spectacles - and ... the center of a galaxy that still has visible spiral structure. The object, named J0742+2704, is ...

Here is a list of galaxies that are known in this universe other than your Milky Way galaxy. It is a spiral galaxy approximately 2.5 million light-years from Earth and the nearest major galaxy to the ...