USNO Releases Final Version of CCD Astrograph Star Catalog
(Tuesday, August 28, 2012)
U.S. Naval Observatory to Add Leap Second to Clocks
(Friday, January 20, 2012)
U.S. Naval Observatory to Add Leap Second to Clocks
(Wednesday, December 31, 2008)
U.S. Naval Observatory to Add Leap Second to Clocks
(Thursday, December 22, 2005)
Unusual Binary Star resolved with Unusual Optical "Telescope"
(Wednesday, January 26, 2005)
Sun-Like Binary Stars Lose Their Companions
(Thursday, January 22, 2004)
USNO Knows Where the Stars Are
(Sunday, August 10, 2003)
25th Anniversary of the Discovery of Pluto's Moon Charon
(Sunday, June 22, 2003)
Plumbing the depths of Polaris
(Wednesday, June 7, 2000)
Sloan Digital Sky Survey Finds Most Distant Object Ever Observed
(Thursday, April 13, 2000)