When a massive star dies, it goes out with a bang, creating a stunningly bright explosion that can temporarily change the look of the night sky. The brightest and closest may be visible with the naked ...

While the name Pinwheel Galaxy can refer to M33 in Triangulum and other open spirals, it is the most common moniker for M101 (NGC 5457) in Ursa Major. Located near Alkaid (Eta [η] Ursae Majoris) at ...

A new supernova has literally, and figuratively, "burst" upon the scene. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

Astronomers and amateurs alike are excited about a new star explosion visible in small telescopes. The new supernova popped into visibility on May 19 in the Pinwheel Galaxy, (also designated as ...

Attention all astronomers! There is a new Type Ia supernova that has been seen in the nearby spiral galaxy M101, and it’s very young – currently only about a day old! This is very exciting news; ...

StarStuff image This celestial stunner is M101, the Pinwheel Galaxy, an enormous stellar city over 170,000 light-years across, making it almost twice the size of our own Milky Way galaxy. Located ...