Cosmic rays seen at Earth show a wide range of particle energies, from 107 electron-volts (eV) to more than 1020 eV, the latter being about the same as the kinetic energy of a 450 gram football ...

A new study published in Physical Review Letters by the IceCube Collaboration reports evidence that the energy spectrum of ...

For more than a decade, physicists hunting dark matter in the Milky Way’s core kept circling the same clue: a faint glow of ...

Scientists hope this new discovery will help explain other mysteries, including why we don’t see more of these binary pairs.

Ultrahigh energy cosmic rays may be made of nuclei heavier than iron, according to a May 2026 Penn State study in Physical ...

Scientists have discovered that ultraheavy atomic nuclei could explain some of the highest-energy cosmic rays ever observed.

Here’s how you can hack together a radio transmitter and receiver out of stuff you have at home—and explore the weirdness of wireless.

Gamma Cassiopeiae is the middle star in the W-shaped Cassiopeia constellation and has been a mystery ever since an astronomer detected anomalous hydrogen emissions coming from it in 1866. Scientists ...

Constraints in advanced manufacturing are beginning to surface in places investors typically do not look first. Aerospace components, industrial turbines, and high-performance alloys are facing ...

Somewhere beyond the Milky Way, a natural accelerator is flinging subatomic shrapnel toward Earth at energies that dwarf ...

The new era of nuclear power generation greater than the force of the Sun has arrived and is ready for deployment. For the first-time ever, a sustained synthetic quasar has been born on Earth to ...