Researchers at the University of North Carolina at Chapel Hill have contributed to new insights into the most long-lived cosmic explosion ever recorded. The event was a gamma-ray burst that remained ...
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Fusion reactors might create dark matter axions, and that’s wild
Fusion power has long been sold as the technology that could light our cities with the same process that powers the stars.
It’s the greatest cosmic murder mystery of the year: How did a black hole destroy a star—and what kind of black hole is the culprit? Normally, so-called “gamma ray bursts,” sudden flashes of extremely ...
Physicists at the Cubic Kilometre Neutrino Telescope Initiative, KM3NeT, built a cathedral of glass spheres that listens for ...
A gamma-ray burst (GRB) — the most energetic type of explosion in the universe since the Big Bang — is detected once every day, on average. But what happened on July 2, 2025, was highly unusual: ...
Lying on your back in a big hospital scanner, as still as you can, with your arms above your head – for 45 minutes. It doesn't sound much fun. That's what patients at Royal Brompton Hospital in London ...
A space explosion detected this summer burned for days on end, making it the longest and most unusual gamma-ray burst ever seen. Gamma-ray bursts are the universe’s most powerful explosions. They ...
On July 2, 2025, NASA satellites detected an extraordinary gamma-ray burst (GRB) that persisted for multiple days, setting a record for duration among known cosmic explosions. Named GRB 250702B, the ...
Nearly a century after astronomers first proposed dark matter to explain the strange motions of galaxies, scientists may finally be catching a glimpse of it. A University of Tokyo researcher analyzing ...
A new study says observations from the NASA Fermi space telescope suggest a halo of dark matter around the center of our galaxy, but more information is needed to confirm the result. When you purchase ...
However, NGD faces several challenges associated with gamma-ray generation and attenuation complexities. Unlike GGD, which utilizes 0.662 MeV monoenergetic γ rays from a 137 Cs source, NGD employs ...
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