Such a mini-halo consists of highly energetic charged particles in the vacuum between galaxies in a cluster, which together ...

The origin of lithium (Li), the third element of the periodic table, has long been shrouded in mystery. This element, commonly found in cosmic rays as two stable isotopes, 6Li and 7Li, is crucial ...

If XRT 200515 is an X-ray counterpart to such an event, it would be the first giant magnetar flare observed at these X-ray energy levels. The final explanation the researchers put forward is that it ...

Astronomers led by Stanford University and Harvard believe the "remarkable" cosmic explosion could either be the first X-ray burster ever discovered in the Large Magellanic Cloud (LMC), a rare ...

This nonuniformity, known as anisotropy, has become more apparent. Over the past decade, scientists have reported that the pattern of cosmic-ray arrival directions changes in a way that strongly ...

New insights into the origins of high-energy cosmic-ray electrons are revealing a more detailed picture of extreme cosmic phenomena and point to a mysterious source located close to our solar system.

These are often called cosmic-ray electrons," Tjus said. "Sometimes, people also include the neutral high-energy particles — photons and neutrinos — in the term cosmic rays, but in most ...

Dr. Kashlinsky and his colleagues were searching for a gamma-ray feature related to the Cosmic Microwave Background (CMB), the oldest light in the Universe. This light originated when the hot, ...