Many scientific terms are very specific, but the term nebula is, well, nebulous. In a very generic sense, it simply means a fuzzy thing. But there are a wide variety of astronomical objects that can ...

As we continue to break new ground in the field of cosmology, the importance of carefully categorizing the objects we see comes into focus. Part of this stems from the fact that, increasingly, we find ...

Do you remember the first time you truly discovered the universe? When I was a teenager, many moons ago, I bought my first telescope, a Celestron 8. I remember excitedly unboxing it the day it arrived ...

Lots of people wonder if the colors they see in images of celestial objects (like the ones from the Canada-France-Hawaii Telescope atop Mauna Kea) are real or the result of some sort of imaginative ...

Top: An example of a protoplanetary nebula. – the Egg nebula Bottom left: An example of a planetary nebula – the Helix nebula. Bottom right: An example of a supernova remnant – SN 1006. Because ...