The Whirlpool Galaxy (M51) is a spiral galaxy 27 million light-years away. Its spiral structure was first noticed in 1845. For decades, scientists debated whether it was within our galaxy or a ...

The newly-detected object lies 28 million light-years away in the Whirlpool galaxy M51. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. For the ...

Astronomers may have discovered a planet in a distant galaxy. Astronomers identified the possible exoplanet, M51-ULS-1b, because its transit blocked X-ray radiation from the remnant of a dead star — ...

NASA's Chandra X-ray Observatory may have spotted the first exoplanet outside our Milky Way galaxy. Located in Messier 51 (M51), also known as the Whirlpool Galaxy, the giant exoplanet candidate ...

Also known as Messier 51, this spiral staircase-shaped galaxy will be visible for most of the evening. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. For the very first time astronomers may have detected a ...

The article promotes spring observation of the Whirlpool Galaxy (M51). The observation will also include the interacting galaxy NGC 5195. A medium-sized telescope, exemplified by a Celestron 8, is ...