The CfA is a collaboration of Harvard College Observatory (HCO) and Smithsonian Astrophysical Observatory (SAO) and home to Harvard's Department of Astronomy.

News Releases

November 14, 2014

Harvard researchers Robert Kirshner, Christopher Stubbs, and Peter Challis have been named co-recipients of the $3 million Breakthrough Prize in Fundamental Physics for their role in the 1998 discovery of dark energy and the accelerated expansion of the universe.

October 24, 2014

The moon passed between the Earth and the sun on Thursday, Oct. 23. While avid stargazers in North America looked up to watch the spectacle, the best vantage point was several hundred miles above the North Pole.

Latest Science Update

November 21, 2014

Astronomical observations of young protostars indicate that early planetary systems evolved from the dust in a protoplanetary disk very quickly - in under five million years.

SI Specific Information

SI-specific information regarding the government shutdown may be found at alerts.si.edu. SAO staff are encouraged to review the website for updated information