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...
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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...
Do Short Gamma-ray Bursts Produce Magnetars? Radio Observations Say: Probably Not
The Milky Way Galaxy seen over the Karl G. Jansky Very Large Array west of Socorro, New Mexico. Credit: NRAO/AUI/NSF, Jeff Hellerman A group...
Calcium-rich supernova examined with X-rays for first time
Unprecedented observations shine light on a compact star’s final moments Artist’s interpretation of the calcium-rich supernova 2019ehk. Shown in orange is the calcium-rich material...
Spectacular ultraviolet flash may finally explain how white dwarfs explode
Event also could give insight into dark energy and the creation of iron Composite image of SN2019yvq (blue dot) in the host galaxy NGC...
Short Gamma Ray Burst Leaves Most-distant Optical Afterglow Ever Detected
Image Credit: International Gemini Observatory/NOIRLab/NSF/AURA/K. Paterson & W. Fong (Northwestern University) The farther away an object lies in the universe, the fainter it appears...
New Mystery Merger Detected by LIGO-Virgo
Image Credit: LIGO/Caltech/MIT/R. Hurt (IPAC) In August of 2019, the LIGO-Virgo gravitational-wave network witnessed the merger of a black hole with 23 times the...
Astrophysicists Capture New Class of Transient Objects
Artist’s illustration comparing FBOTs to normal supernovae and gamma-ray bursts. Credit: Bill Saxton, NRAO/AUI/NSF ‘A new beast is out there,’ researcher says of object...
Using Gravitational Waves to Approximate Pi
Image Credit: Igor Sokalski Getty Images At least 3,700 years ago, Babylonian mathematicians approximated the ratio of a circle’s circumference to its diameter. They...