Back to Article List A ghostly nebula glows in Cassiopeia IC 63 appears to melt away in the autumn sky under the onslaught of radiation from a nearby bright star.

The "Ghost of Cassiopeia," a slowly eroding cloud of gas and dust, forms a glimmering haze in this eerie image from the Hubble Space Telescope.

One of the first constellations amateur astronomers come to recognize, the Queen offers observers many worthy sights.

About 550 light-years away in the constellation of Cassiopeia lies IC 63, a stunning and slightly eerie nebula. Also known as the ghost of Cassiopeia, IC 63 is being shaped by radiation from a ...

Over 2 decades of Chandra X-ray Observatory views of the Crab Nebula and Cassiopeia A have been time-lapsed. The Chandra team explains here. Credit: NASA/CXC/A. Hobart What is grey divorce, the ...

The famous Ring Nebula is seen in brilliant new clarity, thanks to a new James Webb Space Telescope image released by researchers in the JWST Ring Nebula Imaging Project. The image was processed ...

The James Webb Space Telescope’s studies of the Crab nebula may shed new light on the supernova remnant’s origins ...

NASA released photos this week that show the Horsehead Nebula, one of the most famous formations of the cosmos, in a stunning new light.

See 11 Breathtaking Space Images From the Astronomy Photographer of the Year Contest From a solar eclipse to a dolphin-like nebula, these winning shots by astrophotographers from around the world ...

The Horsehead Nebula, which NASA has called "one of the most distinctive objects in our skies," is located in the constellation Orion.