The word itself comes from galaktikós kyklos, or “milky circle,” the ancient Greek term for the Milky Way, our home galaxy.

Along with a number of neighbouring galaxies — including our closest galactic neighbour, the Andromeda Galaxy — it forms what ...

NASA is planning to push the boundaries of space exploration with its new Nighthawk Mars helicopter, a cutting-edge mission ...

However, not all spiral galaxies are created equal, as two recent images from the Hubble Space Telescope show. The image above shows galaxy NGC 3596, a neat and orderly spiral galaxy. And the image ...