X-ray image of the newly discovered pulsar wind nebular associated with an extreme Galactic cosmic ray source 1LHAASO J0343+5254u, obtained by the XMM-Newton space telescope (DiKerby, Zhang, et al ...

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

X-ray image of the newly discovered pulsar wind nebular associated with an extreme Galactic cosmic ray source 1LHAASO J0343+5254u, obtained by the XMM-Newton space telescope (DiKerby, Zhang, et al ...

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

Cosmic rays—high-energy particles moving close to the speed of light—originated from somewhere in the Milky Way galaxy and beyond, but exactly where has been a mystery since they were ...

Impossible signal from deep beneath Antarctic ice baffles physicists Date: June 16, 2025 Source: Penn State Summary: A cosmic particle detector in Antarctica has emitted a series of bizarre ...

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 ...

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 ...