Save up to $100 on the Celestron AstroMaster 130EQ telescope

James Webb telescope performs "stellar autopsy" on Cassiopeia A, a well-known supernova remnant whose debris field reveals the composition of the doomed star that gave birth to it.

Merging galaxies shine with the light of a trillion suns in gorgeous James Webb Space Telescope photo

Cosmic Collision Ignites a Trillion-Sun Spectacle: James Webb Space Telescope Unveils Arp 220