New Kind of Space Explosion Reveals the Birth of a Black Hole
In 2018, astronomers were shocked to find a bizarre explosion in a galaxy 200 million light-years away. It wasn’t like any normal supernova seen...
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Growing Inventory of Black Holes Offers a Radical Probe of the Cosmos
When the first black hole collision was detected in 2015, it was a watershed moment in the history of astronomy. With gravitational waves, astronomers...
‘Unicorn’ Discovery Points to a New Population of Black Holes
Almost a decade ago, Feryal Özel and her colleagues noticed something odd. While a variety of possible black holes had been found in our galaxy, none...
String of Stars in Milky Way are Related
Examination of Theia 456 finds its nearly 500 stars were born at same time An artistic rendering of generic stellar streams in the Milky...
The Upside of Volatile Space Weather
Robust stellar flares might not prevent life on exoplanets, could facilitate its detection An artistic rendering of a series of powerful stellar flares. Credit:...
Rare Short Gamma-ray Burst Discovered in Galaxy Cluster
New evidence helps astronomers learn about SGRB ancestors Banner image: The surrounding environment of SGRB 161104A, which includes a galaxy cluster. Image taken by...
NASA’s Hubble Sees Unexplained Brightness from Colossal Explosion
Neutron-Star Collision Releases Puzzling Burst of Infrared Light Long ago and far across the universe, an enormous burst of gamma rays unleashed more energy...
Black hole ‘family portrait’ is most detailed to date
Above banner illustration generated by a computer model shows multiple black holes found within the heart of a dense globular star cluster. Credit: Aaron...
The Low Spin of the Milky Way’s Supermassive Black Hole
Image Credit: ESO/L. Calçada/spaceengine.org Learn more about this image. Researchers from CIERA and the Center for Astrophysics | Harvard & Smithsonian put a limit...
Star ‘Spaghettified’ by a Supermassive Black Hole
Image Credit: ESO/M. Kornmesser Learn more about this image. An international team of astronomers including CIERA scientists Dr. Kate D. Alexander and Dr. Peter...
Observations of Andromeda’s Halo Test Predictions of Galaxy Formation Models by CIERA Scientists
“A Halo for Andromeda” Credit: NASA, ESA, J. DePasquale and E. Wheatley (STScI) and Z. Levay Northwestern professor Claude-André Faucher-Giguère and recent PhD graduate...
Scientists detect first-of-its-kind ‘intermediate-mass‘ black hole
Numerical simulation of two black holes that inspiral and merge, emitting gravitational waves. Credit: N. Fischer, H. Pfeiffer, A. Buonanno, and the SXS Collaboration...