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 Congress averts government ...

A SEARCH for X-ray emission from galactic objects on April 29, 1963, disclosed two localized sources, one of which appeared in Scorpius and the other in the direction of the Crab Nebula.

This image by NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) and MIRI (Mid-Infrared Instrument) shows different structural details of the Crab Nebula. The supernova remnant ...

A magnitude 10.2 star lies a bit more than 2″ east of the nebula. A big neighbor This week’s second large-telescope target is barred spiral galaxy NGC 3109 in the constellation Hydra the Water ...

who wrote in 964 about a "little cloud" we know today as the Andromeda Galaxy. Less than a hundred years later, Arabic and Chinese astronomers marveled at a supernova that created the Crab Nebula.