MAGIC Telescopes Capture Gigantic Thermonuclear Nova Explosion
Nova outbursts are apparently a source for cosmic rays. The MAGIC telescopes have observed the nova RS Ophiuchi shining brightly in gamma rays at extremely…
Gamma Ray
Exploring the Mysterious Origins of Extreme Cosmic Light Flashes That Outshine Entire Galaxies
Our Universe shines bright with light across the electromagnetic spectrum. While most of this light comes from stars like our Sun in galaxies like our…
Something Really Wants Our Attention: One Cosmic Object Emitted 1,652 Fast Radio Bursts in 47 Days
The energetic phenomena known as Fast Radio Bursts (FRBs) are one of the greatest cosmic mysteries today. These mysterious flashes of light are visible in…
Solving a 100-Year Mystery: Astronomers Locate Source of High-Energy Cosmic Rays
Roughly a century ago, scientists began to realize that some of the radiation we detect in Earth’s atmosphere is not local in origin. This eventually…
The Strange Afterglow of a Gamma-Ray Burst – Unusual Features Challenge Models
Using the H.E.S.S. observatory, researchers at GRB 190829A observe unusual features that challenge models. Researchers from the H.E.S.S. Collaboration succeeded to derive the intrinsic spectrum…
Probing Mysterious “Afterglow” X-Ray Remnants From Extreme Cosmic Bursts of Light
Short gamma-ray bursts are extremely bright bursts of high-energy light that last for a couple of seconds. In many of these bursts, there is a…
Mysterious “Empty Sky” Gamma-Ray Puzzle Solved – May Lead Astrophysicists To Unravel Dark Matter
Star-forming galaxies are responsible for creating gamma-rays that until now had not been associated with a known origin. Star-forming galaxies are responsible for creating gamma-rays…
Unveiling a 100-Year-Old Astrophysics Mystery: Where the Milky Way’s Cosmic Rays Come From
Astronomers have succeeded for the first time in quantifying the proton and electron components of cosmic rays in a supernova remnant. At least 70% of…
Astronomers Discover Surprising Cause of a “Fizzled” Gamma-Ray Burst
Astronomers Uncover Briefest Supernova-Powered Gamma-Ray Burst Gemini North identifies collapsing star as the surprising cause of a “fizzled” gamma-ray burst. Astronomers have discovered the shortest-ever…
NASA’s Fermi Spots a Weird Pulse of High-Energy Radiation Racing Toward Earth
On August 26, 2020, NASA’s Fermi Gamma-ray Space Telescope detected a pulse of high-energy radiation that had been racing toward Earth for nearly half the…
Astrophysicists Solve a Mysterious Decades-Long Gamma-Ray Burst Puzzle
Astrophysicists from the University of Bath in the UK find the magnetic field in gamma-ray bursts is scrambled after the ejected material crashes into, and…
Best View Yet of Exceptional Cosmic Explosion – Challenges Established Theory of Gamma-Ray Bursts in the Universe
Observation challenges established theory of gamma-ray bursts in the universe. Scientists have gained the best view yet of the brightest explosions in the universe: A…
Mysterious Gamma-Ray Heartbeat Coming From Cosmic Gas Cloud Leaves Scientists Baffled – “As Unexpected as Amazing”
Cosmic gas cloud blinks in sync with circling black hole. Scientists have detected a mysterious gamma-ray heartbeat coming from a cosmic gas cloud. The inconspicuous…
Astrophysicists Shocked by Short Gamma Ray Burst Afterglow 10 Billion Light Years Away
Rare event occurred 10 billion lightyears away, 3.8 billion years after the Big Bang SGRB181123B is the most distant short gamma ray burst with its…
NASA Brings Galactic Cosmic Rays to Earth to Study Biological Effects and Health Risks
To better understand and mitigate the health risks faced by astronauts from exposure to space radiation, we ideally need to be able to test the…
What Powers the Most Energetic Explosions in the Universe?
The physical process driving Gamma-Ray Bursts might be synchrotron radiation after all. A new analysis of Fermi/GBM archival data of gamma-ray bursts (GRB), the most…
Caught in Afterglow of a Dying Star: Most Powerful Light in the Universe
First Detection of Inverse Compton Emission From Dying Gamma-Ray Burst A dying star emits intense flashes of light called a gamma-ray burst. Most days, the…
Powerful Pulsating Gamma Rays Emitted From Neutron Star Rotating an Incredible 707 Times a Second
Second fastest spinning radio pulsar known is a gamma-ray pulsar, too. Multi-messenger observations look closely at the system and raise new questions. An international research…
