pt. I. Discovery -- The nature of the radiation -- Particles produced by the cosmic rays -- The primary cosmic radiation -- Radio waves from the galaxy -- Extensive air showers -- The origin of cosmic ...

In May 2021, an unusually high flux of cosmic rays bombarded Earth. According to a team of astrophysicists from the Raman Research Institute in Bengaluru and the University of Florida in the United ...

Nobel laureate Dr. George Smoot, who conducted groundbreaking research into the origins of the universe during a long career at the University of California, Berkeley, and the Lawrence Berkeley ...

Michigan State University astrophysicists are closing in on one of space science’s biggest mysteries: where the galaxy’s most energetic particles come from. Their studies uncovered a pulsar wind ...

Chinese researchers have identified black holes as the likely source of the high-energy component of the cosmic-ray “knee.” Milestone findings released on November 16 by the Large High Altitude Air Sh ...

Cosmic rays, high-energy particles that travel through space, have puzzled scientists for decades. One particular feature of their energy spectrum—the “knee”—has long remained a mystery. Recent ...

A seven-hour gamma-ray burst, GRB 250702B, stuns astronomers and hints at powerful new cosmic engines still unknown to science.

Scientists have just detected a neutrino that is thirty times more energetic than any previously detected anywhere in the world. This exceptional discovery opens up new perspectives for understanding ...

Milestone results released by the Large High Altitude Air Shower Observatory (LHAASO) on November 16 have solved a decades-old mystery about the cosmic ray energy spectrum—which shows a sharp decrease ...

Lecture I. Sparks. The beginnings of electricity -- Early electrical machines -- Two kinds of electricity -- Improved electrical machines -- The Leyden jar -- Contact electricity -- Charging by ...