Gamma-ray bursters as a research area focuses on the astrophysical study of gamma-ray bursts (GRBs), extremely energetic transient events observed in gamma-ray wavelengths. This field investigates the progenitors (such as massive stellar collapse and compact object mergers), relativistic jet formation, radiation mechanisms (synchrotron, inverse Compton, photospheric emission), and afterglow evolution across the electromagnetic spectrum. Research integrates high-energy astrophysics, relativistic hydrodynamics, nuclear physics, and cosmology, using space-based gamma-ray observatories, rapid follow-up at other wavelengths, and numerical simulations to constrain GRB energetics, beaming, host environments, and their role as probes of star formation, the interstellar/intergalactic medium, and the high-redshift universe.
The European Space Agency's XMM-Newton and NASA's Chandra X-ray space telescopes have spotted the aftermath of three bright explosions echoing through the outer spiral arms of our galaxy, the Milky Way. By measuring the distance ...
Astronomy
Jul 1, 2026
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On Jan. 26, 2026, the Submillimeter Array (SMA) on Maunakea crossed an important threshold for time-domain astronomy. For the first time, scientists from the Center for Astrophysics | Harvard & Smithsonian (CfA) demonstrated ...
Astronomy
Jun 30, 2026
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Astronomers have reported the discovery of an unusual X-ray transient detected by the Einstein Probe that does not fit any known class of cosmic explosions. The paper presenting its multiwavelength analysis was published ...
Long-duration gamma-ray bursts are some of the most energetic events in the universe, releasing more energy in just a few seconds than the sun emits in 10 billion years. Los Alamos National Laboratory scientists, having discovered ...
Astronomy
Jun 18, 2026
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Using various telescopes, an international team of astronomers has performed multi-wavelength observations of a recently identified gamma-ray burst source designated GRB 250416C. Results of the observational campaign, published ...
Using the Canadian Hydrogen Intensity Mapping Experiment (CHIME), an international team of astronomers has performed radio observations of FRB 20220912A—a highly active source of repeating fast radio bursts. Results of the ...
Luminous fast blue optical transients (LFBOTs) are among the universe's brightest and fastest explosions but their origin is not completely understood. A new study takes a closer look at the galaxies they occur in, offering ...
Gamma-ray bursts (GRBs) rank among the most powerful explosions in the universe, releasing immense energy in intense flashes of gamma rays. The most distant GRBs originate from the era when the first stars and galaxies formed. ...
Astronomy
Apr 14, 2026
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Gamma-ray bursts are the most violent explosions in the universe. In a fraction of a second, they can release more energy than the sun will emit across its entire 10-billion-year lifetime. Most are over before you've had ...
Astronomy
Mar 16, 2026
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An international team from China and Italy has reported a possible cosmic encore to the landmark 2017 multi-messenger discovery. In November 2024, the LIGO-Virgo-KAGRA observatories detected gravitational waves from a binary ...
Astronomy
Mar 13, 2026
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