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

For decades, astronomers have mapped the Milky Way using visible light, but much of our galaxy has remained hidden behind ...

Astronomers have observed the longest-ever gamma-ray burst — a powerful, extragalactic explosion that lasted over seven hours ...

Archaeologists have dated the lakefront Neolithic (7000–3200 b.c.) settlement of Dispilio in northern Greece using a method that involves detecting evidence of bursts of cosmic radiation in ancient ...

When I was four years old, my pregnant mother drove my sister and me out to Dugway Proving Grounds in Utah to visit my father ...

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 ...

Recent findings from LHAASO have uncovered compelling evidence that micro-quasars are capable of accelerating particles to PeV energies, likely generating the long-enigmatic “knee” in the cosmic ray ...

NASA's restrained briefing on interstellar object 3I/ATLAS has intensified scrutiny from scientists and space analysts, as renewed attention shifts not only to the comet's unexplained features but ...

For decades, a sharp kink in the energy spectrum of particles raining down from space has taunted astrophysicists, hinting at powerful engines in our Galaxy but refusing to reveal their identity. Now ...

Cosmic rays are high-energy particles that constantly bombard Earth from space and are influenced by the sun's magnetic activity. When the sun is active, fewer of these particles reach Earth; when the ...

Tinkering at their desks with the mathematics of quantum space and time, physicists have discovered a puzzling conundrum. The arcane rules of quantum theory and gravity let them imagine many different ...

BEIJING -- Scientists using China's Large High Altitude Air Shower Observatory (LHAASO) found that black holes, devouring material from their companion stars and producing jets, act as powerful ...