NASA's Fermi, swift missions enable a new era in gamma-ray science

A pair of distant explosions discovered by NASA's Fermi Gamma-ray Space Telescope and Neil Gehrels Swift Observatory have produced the highest-energy light yet seen from these events, called ...

The brightest light in the Universe

Telescopes pick up the afterglow of a violent explosion.

Hubble studies gamma-ray burst with the highest energy ever seen

New observations from the NASA/ESA Hubble Space Telescope have investigated the nature of the gamma-ray burst GRB 190114C.

How two gamma-ray bursts created record-breaking high-energy photons

Light packing up to 1 trillion electron volts of energy bolsters a theory for how these cosmic explosions produce such high-energy radiation.

First detection of the cosmic monster explosions with ground-based gamma-ray telescopes

The strongest explosions in the universe produce even more energetic radiation than previously known: Using specialized telescopes, two international teams have registered the highest energy ...

The Most Powerful Explosions in the Universe Emit Way More Energy Than Anyone Thought

Gamma-ray bursts, the most powerful kinds of explosions known in the universe, can generate even more energetic light beams than astronomers previously realized, according to a set of new studies.

Stellar Death Releases Some of the Highest-Energy Light Ever Seen

These bursts release more energy in a few seconds than the sun would produce in its lifetime.

Violent cosmic explosion produces the most energetic gamma-ray burst ever detected - CNET

A star died to bring you the story of GRB 190114C, a record-setting gamma-ray burst triggered by an epic blast.

A violent explosion in a distant galaxy breaks the record for the brightest light ever seen

The burst likely came from a massive supernova explosion. The study was led by a team in Western Australia but involved an international effort with hundreds of scientists studying the data.

Gamma-ray bursts with a high radiant power

First detection of gamma-ray burst afterglow at highest energies

Heidelberg, Germany (SPX) Nov 21, 2019 Gamma-ray bursts, extremely energetic flashes following cosmological cataclysms, emit very-high-energy gamma-rays long after the initial burst. This ...

The tera from outer space

Tokyo, Japan (SPX) Nov 21, 2019 Gamma-ray bursts are the most energetic phenomenon known to humankind. Although short-lived, they outshine stars and even galactic quasars. They usually display ...

Researchers Discover Highest-Energy Light From a Gamma-ray Burst

An international team of researchers, including two astrophysicists from the George Washington University, has observed a gamma-ray burst with an afterglow that featured the highest energy photons--a ...

Highest-energy light from a gamma-ray burst ever

Gamma-ray bursts are the most powerful explosions in the cosmos. These explosive events last a fraction of a second to several minutes and emit the same amount of gamma rays as all the stars ...

Astronomers discover most energetic gamma-ray burst ever

Gamma-ray bursts are the most energetic phenomenon known to humankind. Although short-lived, they outshine stars and even galactic quasars. They usually display energies in the region of tens ...

Hubble studies gamma-ray burst with highest energy ever seen

NASA's Hubble Space Telescope has given astronomers a peek at the location of the most energetic outburst ever seen in the universe -- a blast of gamma-rays a trillion times more powerful than ...

Breaking the limits: Discovery of the highest-energy photons from a gamma-ray burst

(Max Planck Institute for Physics) Gamma-ray bursts (GRBs) are brief and extremely powerful cosmic explosions, suddenly appearing in the sky, about once per day. They are thought to result from ...

First detection of gamma-ray burst afterglow in very-high-energy gamma light

(Kavli Institute for the Physics and Mathematics of the Universe) An international team of researchers observe a gamma-ray burst, an extremely energetic flash following a cosmological cataclysm, ...

Gamma-ray bursts with record energy

(Deutsches Elektronen-Synchrotron DESY) The strongest explosions in the universe produce even more energetic radiation than previously known: Using specialised telescopes, two international ...