CfA astronomers have found the fastest growing black hole 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 fastest ...

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) ...

Arcand won the award for her contributions to the public understanding and appreciation of astronomy as a popular science communicator and a leading expert in astronomy communications and data ...

The observable universe is home to more than a hundred billion galaxies of many shapes and sizes. The most distant galaxies are relics of an earlier era, so observing them is a glimpse at history.

Throughout the last century of scientific discovery, as well as the history of popular culture and science fiction, black holes have been a source of fascination and mystery. One thing is certain: ...

The Smithsonian Astrophysical Observatory (SAO) was founded in 1890 under Smithsonian Secretary Samuel Pierpont Langley as a research bureau of the Smithsonian Institution. It began its tenure ...

The Center for Astrophysics | Harvard & Smithsonian Office of Communications issues press releases and other media materials pertaining to the CfA's research and projects, as well as overseeing ...

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 | ...

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 ...

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 ...

Cambridge, Mass – The telescope's array of highly sensitive instruments was trained on the atmosphere of a "hot Saturn" — a planet about as massive as Saturn orbiting a star some 700 light-years away ...

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 ...