One of the largest astronomy catalogs ever compiled was released to the public today by the Sloan Digital Sky Survey (SDSS). With photometric and spectroscopic observations of the sky gathered during ...

Data capture The SDSS telescope is located at Apache Point Observatory (APO) in Sunspot, New Mexico. (Courtesy: SDSS/David Kirkby) David Law: A few years ago, when I was a Hubble Fellow, a colleague ...

WASHINGTON, DC — A huge but very faint structure, containing hundreds of thousands of stars spread over an area nearly 5,000 times the size of a full moon, has been discovered and mapped by ...