Cosmic rays & astroparticles is a research area focused on high-energy particles of extraterrestrial origin and their role in fundamental physics and astrophysics. It encompasses experimental and theoretical studies of primary cosmic rays (protons, nuclei, electrons), secondary air-shower particles, gamma rays, neutrinos, and other non-photonic messengers that probe extreme environments such as supernova remnants, active galactic nuclei, and compact objects. The field integrates particle detection techniques, high-energy astrophysics, plasma and magnetic field modeling, and multi-messenger observations to investigate particle acceleration mechanisms, propagation in interstellar and intergalactic media, and potential signatures of new physics beyond the Standard Model.
After years of work building an exquisitely sensitive instrument, University of Chicago scientists stood and watched as it flew up and out of sight into the fiercely blue Antarctic sky. Launched on Dec. 20, it would travel ...
Astronomy
Feb 9, 2026
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Ciaran O'Hare scribbles symbols using colored markers across his whiteboard like he's trying to solve a crime—or perhaps planning one. He bounces around the edges of the board, slowly filling it with sharp angles and curling ...
General Physics
Feb 5, 2026
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Cosmic rays are extremely fast, charged particles that travel through space at nearly the speed of light. The Amaterasu particle was detected in 2021 by the Telescope Array experiment in the U.S. It is the second-highest-energy ...
Astronomy
Feb 5, 2026
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Where starlight doesn't reach, new things are born: For the first time, an international research team has directly measured the effect of cosmic radiation in a cold molecular cloud. The observation shows how charged high-energy ...
Astronomy
Feb 3, 2026
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NASA announced Tuesday the selection of three new science investigations that will strengthen humanity's understanding and exploration of the moon. As part of the agency's CLPS (Commercial Lunar Payload Services) initiative ...
Space Exploration
Jan 21, 2026
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At times, the sun ejects energetic material into space, which can have consequences for space-based and even ground-based electronic technology. Researchers aim to understand this phenomenon and find ways to forecast it, ...
Astronomy
Jan 13, 2026
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You can't see, feel, hear, taste or smell them, but tiny particles from space are constantly raining down on us.
General Physics
Jan 7, 2026
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When it comes to understanding the universe, what we know is only a sliver of the whole picture.
General Physics
Jan 6, 2026
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How common are Earth-like planets in the universe? When I started working on supernova explosions, I never imagined that my research would eventually lead me to ask a question about the origin of Earth-like planets. Yet that ...
A scientific experiment aimed at detecting dark matter in space launched from Antarctica on December 15, with significant contributions from University of Hawaiʻi at Mānoa.
Astronomy
Dec 19, 2025
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