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

"One thing popped out as clear as anything, this previously unknown 'bar' of ionized iron atoms, in the middle of the ...

At 3.3 billion light-years across, the ring may challenge the “cosmological principle” that the universe looks uniform at sufficiently large scales.

We've known about the iconic Ring Nebula for nearly 250 years, but it's only now that astronomers have found a giant mystery ...

For centuries, the Ring Nebula has captivated astronomers with its stunning, glowing appearance, but a recent discovery has ...

A new mystery about the colorful Ring Nebula has again caught attention in space.A huge bar of iron has been discovered ...

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

A huge bar of iron has been discovered lurking inside the iconic Ring Nebula. The structure is enormous, spanning hundreds of ...

The iron cloud — roughly 3.7 trillion miles long — was spotted using the new WEAVE instrument on Spain’s William Herschel ...

Astronomers have discovered a strange, bar-shaped iron structure within the Ring Nebula, which could be the remains of a ...