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Center for Astrophysics

How can we expand the limits of human knowledge further into the unknown? The Center for Astrophysics is a collaboration between the Smithsonian Astrophysical Observatory and Harvard College ...
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Dark Energy and Dark Matter

All the atoms and light in the universe together make up less than five percent of the total contents of the cosmos. The rest is composed of dark matter and dark energy, which are invisible but ...
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Event Horizon Telescope Makes Highest-Resolution Black Hole Detections from Earth

The Event Horizon Telescope (EHT) Collaboration has conducted test observations achieving the highest resolution ever obtained from the surface of the Earth, by detecting light from the centers of ...
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Astronomers May Have Discovered the First Planet Outside of Our Galaxy

Until now, astronomers have found all other known exoplanets and exoplanet candidates in the Milky Way galaxy, almost all less than about 3,000 light-years from Earth. Cambridge, MA-- Signs of a ...
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Alien Planet Found Spiraling to its Doom around an Aging Star

Cambridge, Mass. – For the first time, astronomers have spotted an exoplanet whose orbit is decaying around an evolved, or older, host star. The stricken world appears destined to spiral closer and ...
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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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Scientists Make First-Ever Detection of Mid-IR Flares in Sgr A*

An international team of scientists, including multiple astronomers from CfA, have made the first-ever detection of a mid-IR flare from Sgr A*. National Harbor, MD - Using the James Webb Space ...
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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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Ready for its Close-up: New Technology Sharpens Images of Black Holes

Using new computational algorithms, scientists have measured a sharp ring of light predicted to originate from photons whipping around the back of a supermassive black hole. Cambridge, MA – When ...
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Gigantic Cavity in Space Sheds New Light on How Stars Form

Cambridge, MA-- Astronomers analyzing 3D maps of the shapes and sizes of nearby molecular clouds have discovered a gigantic cavity in space. The sphere-shaped void, described today in The ...
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The Most Precise Accounting Yet of Dark Energy and Dark Matter

Analyzing more than two decades' worth of supernova explosions convincingly bolsters modern cosmological theories and reinvigorates efforts to answer fundamental questions. Cambridge, MA – ...
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Wandering Black Holes

Every massive galaxy is believed to host a supermassive black hole (SMBH) at its center. Its mass is correlated with the mass of the inner regions of its host (and also with some other properties), ...