NASA and ESA release a Hubble image of NGC 7722 showing dust lanes, rings, and supernova follow-up observations in a lenticular galaxy.

An international team of astronomers has used HiCIAO (High Contrast Instrument for the Subaru Next Generation Optics) [Note 1] to observe a disk around the young star SAO 206462. They succeeded in ...

Disk galaxies, like our own Milky Way galaxy, commonly consist of both a thick and thin disk of stars—each with different features, including stellar population and movement. Three major theoretical ...

The dual disk structure of our home galaxy may not be as unique as once thought, according to the results of a new study that probed the cross section of a spiral galaxy orbiting edge-on from the ...