Ghostly Particle Traced Back to a Shredded Star, Revealing a Gigantic Cosmic Particle Accelerator
From a black hole to the South Pole: Scientists identify first neutrino from a tidal disruption event. Tracing back a ghostly particle to a shredded…
From a black hole to the South Pole: Scientists identify first neutrino from a tidal disruption event. Tracing back a ghostly particle to a shredded…
The Tibet ASgamma experiment, a China-Japan joint research project, has discovered gamma rays beyond 100 TeV (tera electron volts) from G106.3+2.7, a supernova remnant (SNR)…
An international research team including members from The University of Manchester has shown that a rapidly rotating neutron star is at the core of a…
Rare Star’s Giant Gamma-Ray Burst GRB 204015A Captured Close to Our Home Galaxy Earth gets blasted by mild short gamma-ray bursts (GRBs) most days. But…
NASA Missions Help Pinpoint the Source of a Unique X-ray, Radio Burst This is the first time one of these mysterious, repeating radio bursts has…
Super Heavyweight and Flyweight in a Cosmic Dance Volunteer distributed computing project Einstein@Home discovers neutron star in unusual binary system. After more than two decades,…
Very long baseline array reveals object’s history. In this image, made with the National Science Foundation’s Very Long Baseline Array (VLBA), young, radio-emitting jets of…
Not so long ago, astronomers mapped a galaxy far, far away using radio waves and found it has a strikingly familiar shape. In the process,…
Over one hundred years ago, on May 29, 1919, astronomers observed a total solar eclipse in an ambitious effort to test Albert Einstein’s general theory…
Exhaustive emissions modeling by global physicists narrows down particle candidates. The detection more than a decade ago by the Fermi Gamma Ray Space Telescope of…
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…
Excess neutrinos and missing gamma rays? Coronae of supermassive black holes may be the hidden sources of mysterious cosmic neutrinos seen on Earth. The origin…
About 3.5 million years ago, the supermassive black hole at the center of our Milky Way galaxy unleashed an enormous burst of energy. Our primitive…
Eighty-five percent of the universe is composed of dark matter, but we don’t know what, exactly, it is. A new study from the University of…
Matching up maps of matter and light from the Dark Energy Survey and Fermi Gamma-ray Space Telescope may help astrophysicists understand what causes a faint…
Active galactic nuclei (AGN) are supermassive black holes at the centers of galaxies that are accreting material. These AGN emit jets of charged particles that…
Astronomers discover the most energetic gamma-ray burst ever witnessed. Gamma-ray bursts are the most energetic phenomenon known to humankind. Although short-lived, they outshine stars and…
NASA’s Fermi Gamma-ray Space Telescope has discovered a faint but sprawling glow of high-energy light around a nearby pulsar. If visible to the human eye,…