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

March 30, 2015

Stars form when gravity pulls together material within giant clouds of gas and dust. But gravity isn't the only force at work. Both turbulence and magnetic fields battle gravity, either by stirring things up or by channeling and restricting gas flows, respectively.

March 19, 2015

"The Dynamic Sun," a new exhibit conceived, designed and built by researchers at the Harvard-Smithsonian Center for Astrophysics (CfA), has just opened at the Smithsonian National Air and Space Museum (NASM) in Washington, D.C.

Latest Science Update

March 27, 2015

New stars regularly appear in the night sky as the gas and dust in giant interstellar clouds gradually coalesce under the influence of gravity. The process of making stars, however, is inefficient, and (at least in present-day galaxies) there are copious amounts of material that don't make it into stars.

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