The Helix Nebula is an example of a planetary nebula. Though it looks like a bubble or eye from Earth's point of view, the Helix is actually a trillion-mile-long tunnel of glowing gases. This Hubble ...
This stunning image from the Hubble Space Telescope captures a region called G35.2-0.7N, renowned as a hotbed for high-mass star formation. The Crab Nebula is the expanding remnant of a star's ...
The Flame Nebula, designated as NGC 2024 and Sh2-277, is an emission nebula in the constellation Orion, lying some 900 to 1,500 light years away from Earth. The bright star Alnitak (just outside ...
Nebulae are all but impossible to spot in the night sky, but you'd never know it. Through a telescope, they make the most jaw-dropping beauty shots. But what is a nebula in the first place?