Rayons gamma : explorer l'univers de haute énergie

Atom‑thin circuit could survive 270 years

A team at Fudan University built a molybdenum‑disulfide radio system that survived months in orbit and—based on radiation data and modelling—could last 271 years in high‑radiation… Fév 21, 2026

Physics

Dark Matter: Illusion or Reality?

A University of Ottawa paper claims 'dark matter does not' exist and is an emergent illusion of changing physical constants — a provocative idea that collides with new gamma‑ray s… Fév 09, 2026

Science

Unexplained Deep‑Space Signal from 8 Billion Light‑Years

An unprecedented gamma‑ray burst detected on 2 July 2025 — GRB 250702B — produced hours‑long high‑energy emission from a dusty galaxy 8 billion light‑years away. Astronomers say t… Déc 16, 2025

Science

JWST Sees Universe’s Earliest Supernova

James Webb Space Telescope observations identify a supernova linked to long gamma‑ray burst GRB 250314A at redshift ~7.3 — an explosion that occurred when the universe was about 7… Déc 14, 2025

Science

A Possible First Direct Signal of Dark Matter

A reanalysis of 15 years of Fermi gamma‑ray data has uncovered a halo‑shaped excess of ~20 GeV photons toward the Milky Way center that a Japanese team says matches expectations f… Nov 28, 2025

Space

Study suggests new gamma-ray signal may be first direct sign of dark matter

A newly detected glow of high-energy light near the Milky Way’s centre matches long-standing predictions for dark matter annihilation, raising the most credible signal yet of the … Nov 26, 2025

Rayons gamma

Articles about Rayons gamma

Atom‑thin circuit could survive 270 years

Dark Matter: Illusion or Reality?

Unexplained Deep‑Space Signal from 8 Billion Light‑Years

JWST Sees Universe’s Earliest Supernova

A Possible First Direct Signal of Dark Matter

Study suggests new gamma-ray signal may be first direct sign of dark matter