Cosmic radiation occasionally contains enormous amounts of energy, but we don’t know why or where this radiation comes from.

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

New research published by Michigan State University astrophysicists could help scientists answer a century-old question: Where did galactic cosmic rays come from?

A cosmic particle detector in Antarctica has detected a series of bizarre signals that defy the current understanding of particle physics, according to an international research group that ...

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

Hopkins and Lintott are two of the six authors of a new paper that uses the new model to trace the origin of Comet 3I/ATLAS, and it appears to be coming from a completely different region of the ...

Cosmic rays can come from distant supernovas, black holes and even the sun, and they constantly lash Earth's upper atmosphere.

These explosions, called extreme nuclear transients, shine for longer than typical supernovas and get 30 to 1,000 times as bright.

Seen as a long strand with smaller threads branching, the Quipu superstructure contains 68 galaxy clusters spanning 1.4 ...

A powerful and mysterious blast of radio waves that astronomers believed was a fast radio burst (FRB) from far beyond the ...

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

New observations support the idea that hot, diffuse threads of gas called cosmic filaments connect clusters of galaxies ...