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.

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 new Hubble Space Telescope image offers the most detailed view of the Crab Nebula, which is located 6,500 light-years from Earth. The star V830 Orionis features NGC 1999 reflection nebula ...

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.