It may be one of the most iconic sights in the night sky, but astronomers have never seen the Helix Nebula like this before.

The Ring Nebula, also known as Messier 57, sits about 2,000 light-years from Earth. It is a planetary nebula—a misleading ...

Learn how mapping the Ring Nebula’s light revealed a massive iron bar hidden for decades.

A closer look at the Helix Nebula reveals how dying stars shed material, shape space, and hint at the distant future of our ...

Astronomers have discovered a giant glowing iron bar across the Ring Nebula. Its origin is unknown, defying models of stellar ...

The Horsehead Nebula is one of the most iconic spectacles in astronomy, having been imaged and photographed from a myriad of telescopic instruments, including amateur telescopes, ground-based ...

Out in the cosmic landscape, planetary nebulas would offer the perfect Halloween doors to knock on. They're spooky tricksters in their names, as they have nothing to do with planets at all and are ...