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Previous Pause Next Submitted by jshaw-adm on October 31, 2013 - 3:43pm

Harvard University astronomers and Smithsonian Institution astronomers explore the cosmos together. The combination of the Harvard College Observatory (HCO) and the Smithsonian Astrophysical Observatory (SAO) is known as the Center for Astrophysics | Harvard & Smithsonian (CfA).

News Releases

November 12, 2019 Parker Solar Probe Data Released to the Public

Scientific data taken by the Parker Solar Probe are set to be released to the public on Nov 12. The data files being released contain measurements that were taken closer to the Sun than ever before. These unprecedented data promise to revolutionize our understanding of how the solar corona and solar wind work.

October 30, 2019 Giant Magellan Telescope Signs Contract for Telescope Structure

GMTO Corporation, the organization managing the development of the Giant Magellan Telescope (GMT) on behalf of its U.S. and international founders, has signed a contract with MT Mechatronics and Ingersoll Machine Tools to design, build and install the telescope's precision steel structure.

Latest Science Update

November 15, 2019 Discovering an Unseen Black Hole

Paradoxically black holes, which emit no light because of their strong gravitational fields, are regularly discovered via the bright X-ray emission that arises when material accretes onto a torus around a black hole, heating the torus to high temperatures.

SI Specific Information

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


Submitted by mjuliano-adm on April 23, 2015 - 2:37pm

Learn more about the Giant Magellan Telescope ...


Dr. Alberto Accomazzi is Awarded SI's 2019 Secretary Research Prize