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An illustration of a black hole in space, showing a dark central circle surrounded by a glowing rim, with stars and colorful cosmic clouds swirling around it.

Extreme magnetic fields around black holes

Extreme magnetic fields around black holes

Koushik Chatterjee (Harvard University)
February 15, 2023

February 21, 2023

A colorful nebula in space, featuring swirling clouds of blue, orange, and red gases with bright stars scattered throughout the scene. The nebula has a glowing, misty appearance against the dark background.

Generative NonGaussianity: Normalizing Flows and Variational Autoencoders

Generative NonGaussianity: Normalizing Flows and Variational Autoencoders

Jonathan Braden (CITA)
February 15, 2023

February 16, 2023

Two black holes are merging in deep space, surrounded by countless bright stars and swirling cosmic dust, creating a dramatic distortion in the star field around them.

Supermassive black hole binaries: a neat multi-messenger source

Supermassive black hole binaries: a neat multi-messenger source

Luciano Combi (Perimeter Institute/University of Guelph)
February 13, 2023

February 14, 2023

Sparse spectral methods for solving differential equations

Sparse spectral methods for solving differential equations

Janosz Dewberry (CITA)
February 8, 2023

February 8, 2023

Bright green and red nebula shaped like the number two glows against a dark star-filled background in space, with clusters of blue and white stars scattered throughout.

Spatial Curvature, Dark Energy Dynamics, Neither, or Both

Spatial Curvature, Dark Energy Dynamics, Neither, or Both

Bharat Ratra (Kansas State University)
February 2, 2023

February 7, 2023

A deep space image showing countless distant galaxies, some appearing as bright, glowing points and others as elongated, curved streaks due to gravitational lensing, all set against a dark background.

Modeling the small-scale Lyman-alpha forest

Modeling the small-scale Lyman-alpha forest

Jahmour Givans (Princeton)
January 30, 2023

February 7, 2023

A colorful image of a galaxy cluster in deep space, with bright stars, glowing clouds of blue, green, pink, and orange light, and numerous small points of light on a dark background.

Nuclear Symmetry Energy from Astrophysical Observations

Nuclear Symmetry Energy from Astrophysical Observations

Reed Essick (CITA)
February 1, 2023

February 2, 2023

A galaxy cluster glows with bright stars and galaxies scattered across a dark space background, with a central area highlighted by a blue-violet haze representing hot gas or dark matter.

Astropy Cosmology: the Present and the Expanding Future

Astropy Cosmology: the Present and the Expanding Future

Nathaniel Starkman (University of Toronto)
January 23, 2023

January 24, 2023

A dense cluster of brightly colored stars glows amid swirling red and orange cosmic dust and gas, creating a vibrant, celestial scene against the dark backdrop of space.

What is the simplicity of the early universe trying to tell us?

What is the simplicity of the early universe trying to tell us?

Latham Boyle (Perimeter Institute)
January 16, 2023

January 17, 2023

A vibrant image of outer space showing a colorful galaxy with bright blue star clusters, pink and green nebulae, and countless tiny stars scattered across a dark background.

Probing dark matter with resonant dynamics of the Galactic bar

Tidal Sculpting of Short-Period Exoplanets

Rimpei Chiba (CITA)
December 5, 2022

December 6, 2022