We typically think of the Oort cloud as scattered ice balls floating far from the sun, yet still tied to it gravitationally.

and the disk where the spiral arms are located. As reported in a yet-to-be peer-reviewed paper, this is the most distant galaxy with a bulge, disk, and spiral arms known to date. The bulge is ...

It is clear that human beings, throughout history, have always had a constant curiosity to discover everything that happens ...

Current models based on data from Gaia and other surveys favor four spiral arms and the presence of a fifth arm or spur, located close to the sun, he said. Gaia has also strengthened the ...

Bright blue regions in the spiral arms indicate active star formation, while orange spots in the image show distant background galaxies. Hubble has been operational for over three decades ...

Pinwheel Galaxy. Its swirling spiral arms display a high rate of star formation and host six detected supernovae. This image was captured with the Department of Energy-fabricated Dark Energy ...