An unusual x-ray signal from the Helix Nebula, first detected in 19180, could stem from a star destroying a nearby planet. Credit: NASA/CXC/A. Hobart ...

The Helix Nebula is called a planetary nebula (confusingly, this name has nothing to do with planets but is a historical artifact arising from a mistake by scientists in the 19th century), ...

The Helix Nebula is one of the closest and most remarkable examples of a planetary nebula. Cosmic beauty: An unusual view of the Helix Nebula taken by the ESO's VISTA telescope in Chile.

The Helix Nebula is one of the closest and most remarkable examples of a planetary nebula*. It lies in the constellation of Aquarius (The Water Bearer), about 700 light-years away from Earth.

The Helix Nebula, also known as Caldwell 63, is 650 light-years from Earth, according to NASA.It's the remains of a dying star, which is gradually shedding its outer gas layers into the ...

The nearby Helix nebula just received the piercing infrared gaze of a giant telescope in Chile, and the resulting image reveals cold gas normally hidden among warmer star-lit material.

A new photo snapped by the European Southern Observatory's Vista telescope shows the Helix Nebula, a planetary nebula located about 700 light-years from Earth in the constellation Aquarius.

The image of Helix nebula shows its complex structure on the smallest visible scales. In this image, NASA Hubble and Spitzer Space Telescopes had captured the complex structure of the Helix nebula.

The Helix Nebula, NGC 7293, is not only one of the most interesting and beautiful planetary nebulae; it is also one of the closest nebulae to Earth, at a distance of only 710 light years ...

The Helix Nebula has been shot for the first time in infrared revealing amazing cometary knots and never-before-seen details of the surrounding star. The Helix Nebula, 700 light years from Earth ...