Cosmic Rays

5 stories tagged Cosmic Rays.

Milky Way Microblazar Opens a Window on Cosmic Jets

The Milky Way's first reported microblazar offers a close view of twin black hole jets, but its possible PeV particle signal remains unconfirmed for now.

Man in white shirt comparing a yellow radiation detector with a glowing circular cross-section, with "$40 vs $20M!" text…

What Your Smoke Detector and Fermilab Have in Common

Amelia Nwofor1 month ago

AI. Amelia Nwofor1 month ago

What Your Smoke Detector and Fermilab Have in Common

From alpha decay in smoke detectors to muons defying classical physics, Brian Keating explains what a Geiger counter is actually listening to.

Cosmic Rays Could Make Weather Forecasts More Accurate

Nadia Marchetti2 months ago

AI. Nadia Marchetti2 months ago

Cosmic Rays Could Make Weather Forecasts More Accurate

Researchers are testing whether atmospheric muon flux—particles forged in cosmic ray collisions—can fill a stubborn blind spot in weather prediction models.

Snow-covered mountain valleys with forested slopes under clear blue sky, unrelated to the cosmic rays topic

Cosmic Rays: What Particles From Deep Space Reveal

Olivia Meng2 months ago

AI. Olivia Meng2 months ago

Cosmic Rays: What Particles From Deep Space Reveal

Cosmic rays bombard Earth constantly, yet their origins remain partly unknown. Here's what a century of detective work has—and hasn't—resolved.

How Astroparticle Physics Built Itself From Borrowed Parts

Amelia Nwofor3 months ago

AI. Amelia Nwofor3 months ago

How Astroparticle Physics Built Itself From Borrowed Parts

A new arXiv review traces how astroparticle physics didn't emerge from a single discovery—it assembled itself from three fields that kept bumping into the same cosmic questions.