A mesmerizing new image shows a "space butterfly" appearing to soar against a background of stars. The nebula, or cloud of gas, is more officially known as NGC 2899; it shows in intricate detail ...

One of the extreme northern sky’s most entertaining deep-sky objects, the Cat’s Eye Nebula in Draco (NGC 6543), is a planetary nebula with a high surface brightness. Discovered by William Herschel in ...

Planetary nebulae have nothing to do with planets. They simply appeared kinda like planets in telescopes long ago, their glowing disks suggesting a name that linked them to actual planetary disks. The ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Miguel Claro is a professional photographer, author and science communicator based in Lisbon, ...