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

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 TikTok no longer accessible ...

A new study has described in detail a dying star initially recorded in 1181. The object may belong to a rare class of supernovas that leaves behind a “zombie star.” ...

He identified a nebula in the region of space where the star may have been, 7,500 light years away from Earth, in the Cassiopeia constellation.

Two striking time lapses from NASA's Chandra X-ray Observatory show how two famous objects have changed over the last two decades.

Astronomers studying the site of a supernova seen 843 years ago have captured an image of the strange filaments left behind by the stellar explosion.

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 ...

Beautifully captured by the James Webb Space Telescope (JWST), this image shows interstellar gas and dust lit up by a dead star in Cassiopeia.

Nebulae are gigantic clouds of gas and dust that exist in space between stars. Check out 7 mesmerizing photos of this cosmic phenomenon shared by NASA.