The distribution of HI hydrogen in the Whirlpool Galaxy (M51) as determined by the THINGS VLA survey extends far beyond the visible stars in the galaxy and its satellite NGC 5195 (marked by cross), ...

Our Milky Way galaxy is a cannibal. You might wonder what would happen if our disk-shaped spiral galaxy were to one day collide with Andromeda, which is over twice the size of the Milky Way.

Why it's so special: What if a galaxy had only one spiral arm? Our solar system resides on the outskirts of one of the Milky Way galaxy's estimated four spiral arms, according to Space.com, but not ...

Another month of stargazing is here, with celestial highlights like fun planetary pairings, the full Snow Moon, and a chance to see a distant galaxy with a black hole at its heart. While it might ...

A jewel-like galaxy radiates royally in a new image from the Hubble Space Telescope. The NGC 4689 galaxy resides a mere 54 million light-years from our planet and holds a deep mythological lore from ...

A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor. Composed by NASA and international space partners, the image combines data from ...

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Lying just to the northeast and southwest of Alkaid, the last star in the handle of the Big Dipper, is a pair of small smudges of light visible in a pair of binoculars on a dark, moonless night. The ...

Signs of a planet transiting a star outside of the Milky Way galaxy may have been detected for the first time. This intriguing result, using NASA’s Chandra X-ray Observatory, opens up a new window to ...

The Virgo cluster, despite being millions of light-years away, closest large galaxy cluster to Earth. The Virgo galaxy cluster has been pivotal in the history of astronomical findings. In fact, one of ...