In the cold dark of the constellation Ophiuchus, a faint, wraithlike shell of gas is quietly advertising the fate that awaits our own Sun. Astronomers call it the Little Ghost Nebula, a planetary ...

An image from NASA's Chandra X-ray observatory shows a glowing hand stretching across the cosmos with its palm and fingers sculpted from the wreckage of a massive stellar explosion. When you purchase ...

The shadow nebula LDN 1245 is located in the constellation Cassiopeia. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Breaking space news, the ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Nebulae run the full gamut of a star's life, ...