Physicists at MIT Shave Estimate of Mass of Neutrino “Ghost Particle” in Half
Joseph Formaggio explains the discovery that the ghostly particle must be no more than 1 electronvolt, half as massive as previously thought. An international team…
Neutrinos
VERITAS Confirms Neutrino Emission from Vicinity of Blazar TXS 0506+056
The VERITAS array has confirmed the detection of gamma rays from the vicinity of a supermassive black hole. While these detections are relatively common for…
Astronomers Trace Source of Cosmic Neutrino to Monster Black Hole
For the first time ever, scientists using NASA’s Fermi Gamma-ray Space Telescope have found the source of a high-energy neutrino from outside our galaxy. This…
Astronomers Unravel Long-Standing Cosmic Mystery
Astronomers and physicists around the world, including in Hawaii, have begun to unravel a long-standing cosmic mystery. Using a vast array of telescopes in space…
Physicists Reveal Mysterious IceCube Event May Be A Tau Neutrino
Theoretical physicists calculate the origin of a high-energy particle track captured by the IceCube Neutrino Observatory It was just eight years ago that the IceCube…
Physicists Report First Results from CUORE Neutrino Experiment
New data could shed light on why the universe has more matter than antimatter. This week, an international team of physicists, including researchers at MIT,…
Underground Neutrino Experiment Searches for Neutrinoless Double Beta Decay
If equal amounts of matter and antimatter had formed in the Big Bang more than 13 billion years ago, one would have annihilated the other…
New Theory Reveals Unified Origin for Extreme-Energy Space Particles
New model connects the origins of very high-energy neutrinos, ultrahigh-energy cosmic rays, and high-energy gamma rays with black-hole jets embedded in their environments. One of…
Radioactive Elements in Cas A Provide Glimpses into the Explosion of Massive Stars
Using elaborate computer simulations, researchers show how radioactive elements in gaseous supernova remnant Cassiopeia A can provide glimpses into the explosion of massive stars. Stars…
Fermi Helps Link Cosmic Neutrino to Blazar Blast
Nearly 10 billion years ago, the black hole at the center of a galaxy known as PKS B1424-418 produced a powerful outburst. Light from this…
IceCube Collaboration Announces New Observations on Cosmic Neutrinos and Dark Matter
The IceCube Collaboration and DM-Ice have announced new observations on cosmic neutrinos and the nature of dark matter. Yale University physicists are part of two…
IceCube Collaboration Confirms Cosmic Neutrino Sighting
Using data from the IceCube Neutrino Observatory, scientists have confirmed the existence of astrophysical neutrinos from our galaxy as well as cosmic neutrinos from sources…
New Tabletop Detector Identifies Single Electrons
A new tabletop particle detector is able to identify single electrons in a radioactive gas, a big step toward measuring the mass of a neutrino….
The Future of Astrophysical Neutrino Measurements
An international team of scientists has published an extensive report on the future of astrophysical neutrino measurements, discussing how facilities that measure the microwave background…
NASA Telescopes Reveal That Sagittarius A* May Be Producing Neutrinos
Using three NASA satellites, astronomers have revealed the first evidence that the Milky Way’s supermassive black hole (Sagittarius A*) may be producing neutrinos. The giant…
Physicists Detect Neutrinos in the Sun’s Core
For the first time, an international team of physicists has directly detected neutrinos created by the proton-proton fusion process going on at the sun’s core….
No New Cosmological Concordance with Massive Sterile Neutrinos
A newly published study shows that modifying the standard cosmological model in order to include fairly massive neutrinos does not explain all the physical observations…
Astronomers Accurately Measure the Mass of Neutrinos for the First Time
Astronomers from the universities of Nottingham and Manchester have accurately measured the mass of neutrinos for the first time. Scientists have solved a major problem…