is about "45 times more massive than our sun," and the bubble feature -- called the Bubble Nebula -- is formed by gas escaping from the star's outer layers, pushed outward by the stellar wind at 4 ...

Helix Nebula: This a planetary nebula, which is formed when a star like the Sun runs out of fuel, expands and its outer layers puff off, and then the core of the star shrinks. Orion Nebula ...

NASA shares a stunning image of Blue Bubble Nebula The space agency has once again piqued people's interest with its post about the Wolf Rayet Nebula. NASA provided a stunning image of the Wolf ...

To celebrate Hubble's 26th birthday photographing the universe, NASA released awesome images the telescope captured of the "Bubble Nebula" — which looks like a giant soap bubble in space.

The Necklace Nebula, formed by two doomed stars, glows with bright gas clumps like a cosmic diamond ring. Located 15,000 light-years away in the Sagitta constellation, it shines as a stunning ...