Study reveals that high-energy cosmic rays are born in magnetic fields during neutron star mergers, a prelude to black holes.

More information: Luca Comisso et al, Ultra-High-Energy Cosmic Rays Accelerated by Magnetically Dominated Turbulence, The ...

The most powerful cosmic-ray electrons and positrons ever detected slamming into Earth's atmosphere carry energies so high they can only have come from relatively close by, new research has revealed.

A microquasar belonging to our Milky Way galaxy has set records by generating cosmic rays with energy levels never before ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

Long theorized but never observed, the first known “planet with a death wish” is described by Ilin and her colleagues in a ...

Cosmic rays may offer an out-of-this-world answer to a long-standing mystery about lightning on Earth, a new study suggests. Thunderstorms are exceedingly common; a staggering 3 million lightning ...

The discovery of a new cosmic object signaling Earth is causing a firestorm at NASA, as scientists don't know how to explain ...

A cloud of high-energy particles surrounding a distant galaxy cluster offers a rare glimpse into the forces shaping the early ...

Astronomers have discovered the most distant mini-halo ever seen—10 billion light-years away—revealing that galaxy clusters ...

Ultra-high energy cosmic rays, which emerge in extreme astrophysical environments—like the roiling environments near black holes and neutron stars—have far more energy than the energetic ...