Cosmic rays are energetic particles originating from outer space that impinge on Earth's atmosphere. Almost 90% of all the incoming cosmic ray particles are protons, almost 10% are …

6 days ago · To trace the neutrino’s origins, the KM3NeT team scoured data from gamma ray, X-ray and radio telescopes. Twelve objects stood out in the region of the sky from whence the …

Jan 7, 2025 · Ultra-high energy cosmic rays are energized by magnetic turbulence, not shock acceleration, according to new research. Tangled magnetic fields in extreme astrophysical …

Jan 30, 2025 · The discovery that low-mass microquasars can act as cosmic ray accelerators opens new research avenues. If similar gamma-ray signals are detected in other low-mass …

Feb 10, 2025 · The H.E.S.S. Observatory in Namibia has detected the highest-energy cosmic ray electrons ever observed, suggesting sources within a few hundred light-years.

Jun 8, 2023 · Observations by NASA’s NuSTAR X-ray telescope give astronomers new clues about the brightest and most energetic gamma-ray burst ever detected. When scientists …

Feb 26, 2024 · Astronomers have detected an enormous γ-ray bubble that could be a source of the Milky Way’s most powerful cosmic rays — high-energy particles that rain down on Earth …

Feb 8, 2025 · On the common origin of cosmic rays across the ankle and diffuse neutrinos at the highest energies from low-luminosity Gamma-Ray Bursts. Astrophys. J. 872 , 110 (2019).

Oct 31, 2023 · X-ray observations from the supernova remnant SN 1006 show its magnetic fields align to accelerate cosmic rays.

Dec 3, 2024 · Energetic particles that pop briefly into existence when cosmic rays hit Earth’s atmosphere could help assess hidden damage to buildings in Ukraine after the war ends. …

5 days ago · With the help of two powerful radio telescopes, astronomers spotted the gigantic two-lobed jet, which spans at least 200,000 light-years. A light-year is the distance light travels in …

22 hours ago · Like its mythological namesake, the Phoenix Cluster burns with blisteringly hot gas, which cools to birth stars. The James Webb Space Telescope has now learned how this …

Feb 6, 2024 · Cosmic rays recorded in the atmosphere above California have dropped sharply thanks to the sun's increasing activity. Using atmospheric muons, created when charged …

Mar 3, 2024 · In a recent study, members of China’s Large High Altitude Air Shower Observatory (LHAASO) Collaboration discovered a massive gamma-ray burst (designated GRB 221009A) …

8 hours ago · Cosmic correlation to mutations. When Nojiri and colleagues simulated what that supernova was like, they found that it hammered the Earth with cosmic rays for 100,000 years …

Jan 29, 2025 · A new study characterizes a puzzling, highly energetic cosmic explosion, revealing a peculiar transient. Is Einstein Probe transient EP240408a a tidal disruption event, a gamma …

Apr 5, 2024 · Claim: Google, NASA, BBC, and CNN have issued warnings advising people to turn off mobile phones and electronic devices and keep them away from their bodies as cosmic …

CERN, the European Organization for Nuclear Research, is one of the world’s largest and most respected centres for scientific research. Its business is fundamental physics, finding out what …

Nov 16, 2023 · Cosmic rays are known to rapidly lose energy once they exit their sources, so scientists say the recorded high-energy rays are convincing evidence that they originated from …

2 days ago · Caption: The "remarkable" XRT 200515 cosmic explosion observed by NASA's Chandra X-ray Observatory. Credit: Steven Dillmann . Video of X-ray flash (available on …

1 day ago · Scientists have never seen these X-ray energy levels from such an event, however. It is also possible that the phenomenon is something else entirely, a new kind of cosmic …