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: ...

Theory is how scientists fit data collected from observation into a system of understanding. However, some astrophysical systems are too complicated to be treated adequately using straightforward ...

The Center for Astrophysics | Harvard & Smithsonian Radio & Geoastronomy (R&G) division explores the Universe using the low-energy portion of the electromagnetic spectrum, including the radio, ...

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 ...

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 ...

Matter and energy are the two basic components of the entire Universe. An enormous challenge for scientists is that most of the matter in the Universe is invisible and the source of most of the energy ...

For the first 380,000 years or so after the Big Bang, the entire universe was a hot soup of particles and photons, too dense for light to travel very far. However, as the cosmos expanded, it cooled ...

Capturing the first image of a supermassive black hole using the Event Horizon Telescope (EHT). This image of the black hole at the center of the nearby galaxy M87 reveals how gravitation affects the ...

Looking for hidden structures and unusual stars that reveal the Milky Way’s history. Since our galaxy grew by merging with and eating other galaxies, traces of that violent past are visible in the ...