International Center for Relativistic Astrophysics

Founded in 1985, ICRA is an international research institution dedicated to astrophysics and promoting international collaboration.

Research

Ten Decades of Neutrino Searches, One Combined Constraint

The First Hours of a Supernova Are Its Most Revealing—and Rubin Alone Will Miss Them

A Nearby Supernova’s Dense Surroundings Point to Quiet Mass Loss, Not Eruptive Outbursts

Did Neutrinos Build the WIMP Paradigm They Now Threaten?

Can a Messy Spectrum of Everything Beat Cosmic Variance?

Artistic illustration of a neutrino interaction producing a radio pulse in polar ice under a starry sky.
Abstract illustration of a supernova's early shock breakout and expanding debris in a galaxy.
Artistic illustration of a red supergiant surrounded by dense circumstellar material before exploding as a supernova.
Artistic illustration of neutrino tracks crossing a galaxy cluster and an underground detector, not observational data.
Abstract illustration of overlapping spectral traces from galaxies across a wide survey field, with prism-dispersed light forming rainbow streaks.