Center for Astrophysics | Harvard & Smithsonian

First atmosphere detected on a habitable-zone rocky world

In a major milestone in the search for life on other planets, astronomers have detected, for the first time, an atmosphere ...
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Very Energetic Radiation Imaging Telescope Array System (VERITAS)

Gamma rays don’t pierce Earth’s atmosphere, but when they strike the air, they produce faint flashes of visible light. The Very Energetic Radiation Imaging Telescope Array System (VERITAS) is a set of ...
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Fred Lawrence Whipple Observatory - Mt. Hopkins, AZ

From its establishment in 1966 as the Smithsonian Mount Hopkins Observatory, FLWO has hosted a world-class suite of telescopes designed for a wide variety of purposes. The largest visible-light ...
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Event Horizon Telescope (EHT)

Black holes in the modern sense were first predicted as a consequence of Albert Einstein’s general theory of relativity in 1915. These objects are so dense, they are surrounded by a boundary called an ...
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SAO/NSF Solar REU Program

This summer, scientists from the Solar and Stellar X-Ray Group (SSXG) and the Solar, Stellar, and Planetary Group (SSP) at the Center for Astrophysics | Harvard & Smithsonian (CfA) will host ...
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Astronomers Discover Rare Distant Object in Sync with Neptune

This object, called 2020 VN40, is the first confirmed body that orbits the sun once for every ten orbits Neptune completes. Cambridge, MA — A team of astronomers led by the Center for Astrophysics | ...
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The Tilt in our Stars: The Shape of the Milky Way's Halo of Stars is Realized

New data throws out the textbook picture of a spherical stellar halo and reinforces a dynamic origin story of two galaxies that collided billions of years ago. Cambridge, Mass. – A new study has ...
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AI Helps Astronomers Discover a New Type of Supernova

Astronomers have discovered what may be a massive star exploding while trying to swallow a black hole, offering an explanation for one of the strangest supernovae ever seen. Cambridge, MA - ...
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M87* One Year Later: Proof of a Persistent Black Hole Shadow

CfA astronomers helped lead a study discovering changes in the bright ring around M87's black hole, confirming the theoretical understanding of the variable and turbulent flow of material around black ...
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Astronomers Unveil Strong Magnetic Fields Spiraling at the Edge of Milky Way’s Central Black Hole

CfA astronomers led two new EHT studies that have produced the first polarized light image of the supermassive black hole at the heart of the Milky Way Galaxy. Cambridge, MA--A new image from the ...
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Harvard astronomy seniors kick off careers with thesis presentations at the CfA

The students’ presentations ranged from astrochemistry and Earth-like planet atmosphere formation to unusual movement patterns by red supergiant star Betelgeuse. Cambridge, MA (April 27, 2026) — Six ...