We know that regular supernovas pose no existential threat to life on Earth in the near-term. But there are other varieties ...

Before CTAO, VERITAS was the world's most sensitive very-high-energy-gamma-ray observatory that could detect brief flashes of the blue "Cherenkov" light, created as the gamma rays hit the Earth's ...

Gamma-ray bursts (GRBs ... is lead author on a paper in The Astrophysical Journal that promises to shed light on the behavior of these mysterious cosmic powerhouses by focusing on the motion ...

"The gamma-ray burst traveled through intergalactic space at the speed of light for eleven billion years, during which time the Sun and the planets were born." — Timothy Ferris, in the film ...

During the time it takes for its wave to go through one cycle, a gamma-ray wave traveling at the speed of light will travel only the width of a proton, a tiny particle found within the nucleus of ...

Now, this same black hole is once again captivating scientists with an extraordinary gamma-ray flare that’s emitted photons hundreds of billions of times more powerful than visible light.

The same result is obtained when studying the pulse-height from the gamma-rays emitted by different substances. There is, in this case, a continuous distribution of pulses from zero to a certain ...