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An orange space diagram

November 3, 2025

Accreting Binaries: From Brown Dwarfs to Major Mergers

Alexander Dittmann, Institute for Advanced Study

Map view showing Lake Ontario with overlays: a large white circle labeled 鈥淣eutron Star鈥� and a smaller black circle labeled 鈥淏lack Hole.鈥� Title reads 鈥淣eutron Stars & Black Holes.鈥� There is a QR code on the lower right.

May 29, 2025

Neutron Stars & Black Holes: Astrophysical Laboratories for Nuclear Physics and Nuclear Yardsticks for Astrophysical Phenomena

Reed Essick, University of Toronto

A blurry, bright yellow and orange circular spot is centered against a dark blue and black background, resembling a glowing object in space seen through an infrared or heat-sensitive camera.

April 16, 2025

Flaring Activity of the Black Hole at the Center of the Galaxy

Farhad Yusef-Zadeh, Northwestern University

A vibrant galaxy cluster in deep space shows swirling gas, dust, and sparkling stars against a dark background. Several galaxies appear close together, some overlapping, with bright starbursts and glowing halos.

March 17, 2025

Cautionary Tales from the Local Universe

Sarah Gallagher, Western University

An artistic illustration of two bright, white neutron stars merging in space, emitting a burst of blue and white light and surrounded by swirling clouds and stars.

December 23, 2024

Beyond the first wave: understanding binary neutron star and black hole formation channels

Lieke Van Son, Harvard University

A swirling black hole surrounded by a bright, glowing accretion disk in deep space, with scattered stars and cosmic dust filling the dark background.

December 8, 2016

Electromagnetic and Gravitational Wave Signals from Merging Black Holes and Neutron Stars

Black hole-neutron star and neutron star-neutron star mergers are powerful emitters of gravitational waves, and can produce a wide range of bright electromagnetic transients. They also provide us with a remarkable environment to study nuclear interactions in the cold, dense core of neutron stars, and may significantly contribute to the production of many heavy elements whose origin remains unexplained.