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New X-ray Space Telescope Gives Sharpest-Ever Glimpse at Growth of a Rapidly-Spinning Black Hole

The first results on the iconic active galactic nucleus MCG–6-30-15 captured with the XRISM mission show the most precise signatures yet of its supermassive black hole’s extreme gravity and the ...
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Astronomers find first direct evidence of “Monster Stars” from the cosmic dawn

Using the James Webb Space Telescope, an international team of researchers led the Center for Astrophysics | Harvard & Smithsonian have discovered chemical fingerprints of gigantic primordial stars ...
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New NASA-Backed Research Platform SciX Expands Open Science

The new research data and discovery platform expands beyond astrophysics into the Earth, environmental and space sciences. Cambridge, MA -The team behind the NASA Astrophysics Data System (ADS) has ...
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Astronomers Find Black Hole With Tremendous Growth Using NASA’s Chandra X-Ray Observatory

CfA astronomers have found one of the fastest growing black holes on record, which could explain how some can get so big so quickly Cambridge (September 19, 2025)—A black hole is growing at one of the ...
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New EHT Images Reveal Unexpected Polarization Flips at M87*

The new multi-year Event Horizon Telescope observations capture evolving polarization patterns in a neighboring galaxy's supermassive black hole. Cambridge, MA— The Event Horizon Telescope (EHT) ...
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Conroy Named 2025 Finalist for National Blavatnik Awards for Young Scientists

The awards honor outstanding contributions by researchers in the United States in the Life Sciences, Chemical Sciences, and Physical Sciences and Engineering. Charlie Conroy, professor of astronomy at ...
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Origin of Mysterious Radio Signal Possibly Discovered

CfA astronomers have led the discovery of what may be the source of a powerful burst of radio waves coming from another galaxy Cambridge, MA - Astronomers have discovered what may be the source of a ...
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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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Giant Magellan Telescope Advances to National Science Foundation Final Design Phase

The advancement is one of the final steps before the telescope becomes eligible for federal construction funding, a critical milestone recognizing the Giant Magellan’s scientific merit, construction ...
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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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A New GPS for the Intergalactic Medium: Astronomers Have Found the Home Address for Universe's "Missing" Matter

Using fast radio bursts to guide them, CfA astronomers have mapped the distribution of the Universe's ordinary matter in the space between galaxies, and detected the most distant fast radio bursts to ...
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Astronomers take the first step towards multi-color black hole observations with the Event Horizon Telescope

Cambridge, MA - An international team of astronomers has successfully demonstrated a new technique to observe especially faint black holes by correcting for atmospheric effects on Earth. The technique ...