Two easy-to-find star groupings appear during late summer and early autumn. You can see them by going outdoors and facing north during early evening ...

Explore the Soul Nebula (IC 1848), a star-forming region in Cassiopeia. Learn its clusters and why it's a favorite for astrophotographers.

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 Ozzy Osbourne’s cause of ...