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Researchers, in a recent Physical Review Letters paper, introduce a new mechanism that may finally allow ultralight dark photons to be considered serious candidates for dark matter, with promising ...

China’s Large High Altitude Air Shower Observatory (LHAASO)–one of the country’s key national science and technology infrastructure facilities–has found a dozen ultra-high-energy (UHE) cosmic ...

High energy astrophysics studies the most violent processes in the Universe, from supernova explosions and pulsar winds to active galactic nuclei and cosmic‐ray acceleration. Galactic cosmic ...

How much light has been emitted by all galaxies since the cosmos began? After all, almost every photon (particle of light) from ultraviolet to far infrared wavelengths ever radiated by all galaxies ...

"Cosmic dawn has been a missing chapter in our understanding of the universe." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Observing the ...