Gamma-ray bursts were first observed in the late 1960s by the U.S. Vela satellites, which were built to detect gamma radiation pulses emitted by nuclear weapons tested in space.

Oct 5, 2023 · Gamma-ray bursts (GRBs) are the most powerful and violent explosions in the known universe. These brief flashes of high-energy light result from some of the universe's most explosive …

Sep 23, 2021 · Gamma-ray bursts (GRBs) are short-lived bursts of gamma-ray light, the most energetic form of light. Lasting anywhere from a few milliseconds to several minutes, GRBs shine hundreds of …

Dec 11, 2025 · Gamma-ray burst, an intense, nonrepeating flash of high-energy gamma rays that appears unpredictably at arbitrary points in the sky at a rate of about one per day and typically last …

Mar 16, 2025 · What Exactly Is a Gamma-Ray Burst? A Gamma-Ray Burst is, in essence, a sudden, intense flash of gamma radiation—the most energetic form of light—in space. These bursts can last …

6 days ago · The event was a gamma-ray burst that remained active for nearly seven hours. Known as GRB 250702B, it pushes beyond long-standing theories about the processes that create these …

After identifying and following large numbers of gamma-ray bursts, astronomers began to piece together clues about what kind of event is thought to be responsible for producing the gamma-ray burst.

Oct 23, 2025 · Gamma-ray bursts (GRBs) are the most energetic explosions in the universe. They release an immense amount of energy in the form of gamma rays, the highest-energy form of light.