There are three main types of galaxies ... Stephan’s Quintet with unprecedented clarity and detail. Here, four galaxies are close enough to each other that they gravitationally mingle.

Quasars are the most luminous type of active galaxy. They emit light across the electromagnetic spectrum, produce powerful ...

While we have plenty of spiral galaxies, like our own Milky Way, these are only the most common types of galaxies out there. There are still others, like elliptical or irregular galaxies.

Blanco 4-meter Telescope at Cerro Tololo ... revealing a diverse array of galaxy types within as well as thousands of background galaxies beyond. The Dark Energy Camera (DECam) was originally ...

Hubble’s work pushed the field of astronomy forward, starting with his paper demonstrating that some objects exist outside ...