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 ...

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 mosaic is the highest resolution image ever made of the ...

Here are the top 5 images captured by NASA Hubble: Westerlund 2, a giant cluster of 3,000 stars, resides in a raucous stellar breeding ground known as Gum 29. The Hubble Space Telescope pierced ...

See the stunning shortlisted and winning images below. "This ultra-deep exposure of the ‘Eye of God’, also known as the Helix Nebula or NGC 7293, reveals the glorious colours of the core and rarely ...