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 orange filaments are the tattered remains of the star and consist mostly of hydrogen. The rapidly spinning neutron star embedded in the center of the nebula is the dynamo powering the nebula's ...

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 ...