A nebula—which comes from the Latin word for cloud—historically refers to something in the night sky that is not a planet or a comet. In short, a fuzzy blob in telescopes until the 20th century.

The closest nebula to Earth is the Helix Nebula, which is about 700 light years away from Earth. Space telescopes are invaluable for studying nebulae, which are often faint and dim.

Star Gazers host Trace Dominguez breaks down the 5 different types of nebulae. Star Gazers host Trace Dominguez breaks down the 5 different types of nebulae: emission, reflection, planetary ...

A nebula, such as the two that the Vera C. Rubin Observatory analyzed earlier in 2025, is a luminescent giant cloud of dust and gas in space that could be the result of an explosion of a dying ...

The "dumbbell nebula," also known as Messier 27, is what astronomers refer to as a planetary nebula due to its round, planet-like appearance when viewed through a telescope, according to NASA.

From glowing gases to hidden cosmic structures, the question of whether we’re in a nebula challenges what we think we know ...

The phenomenon coming up on Aug. 22 to 23 occurs only once every 29 months and offers a great opportunity for stargazing.

According to NASA Space Place, a Nebula can be defined as "a giant cloud of dust and gas in space. Some nebulae (more than one nebula) come from the gas and dust thrown out by the explosion of a ...

The 'planetary nebula', not to be confused with protoplanetary disk, is shed outer layers of a star heavier than sun, and it's mass can, i'd guess, vary from below solar mass, to above solar mass.

A rare black moon will happen tonight Aug. 22-23. Don't worry too much if you miss it, although it won't happen again for ...