In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

the Andromeda Galaxy will collide with the Milky Way, resulting in a spectacular cosmic collision! Don’t worry, though – the distances between stars are vast, so we won’t feel a thing.

Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

Superclusters are large collections of galaxy clusters, groups, and individual galaxies that are typically not gravitationally bound to each other. For example, our Milky Way Galaxy is located on ...

Giant radio galaxies (GRGs) are massive, with plasma jets powered by supermassive black holes at their centers, stretching ...

So how well do you know the Milky Way? Let's test your knowledge of our galaxy's size, age, speed and more with the 15 ...

"It's easy to romanticize Hubble and his discovery of the universe beyond the Milky Way galaxy, but his work really stood on the shoulders of a number of people," said Jeff Rich, an astronomer at ...

Telescopes around the world have spotted a monster radio jet streaming from a quasar dating back to the first 1 billion years ...

Image: CfA/Mel Weiss Astronomers have detected a mid-infrared flare from the supermassive black hole at the heart of the Milky Way galaxy for the very first time, and it’s shedding new light on ...

Observations show Andromeda has a more active star formation history than the Milky Way, potentially due to a past galactic collision. NASA recently released images of the Andromeda galaxy ...