cosmic rays
41,000 Years Ago Earth’s Shield Went Down
Earth is naked without its protective barrier. The planet's magnetic shield surrounds Earth and shelters it from the natural onslaught…
The Mystery of Cosmic Rays Deepens
Cosmic rays are high-energy particles accelerated to extreme velocities approaching the speed of light. It takes an extremely powerful event…
A Giant Gamma-Ray Bubble is a Source of Extreme Cosmic Rays
Gamma-ray bursts (GRBs) are one of the most powerful phenomena in the Universe and something that astronomers have been studying…
The Second Most Energetic Cosmic Ray Ever Found
"Oh My God," someone must have said in 1991 when researchers detected the most energetic cosmic ray ever to strike…
Air Showers Ruin Astrophotos, but They Could be a New Method for Studying the Universe
New research from Japan has shown how cosmic ray air showers could be studied to learn more about the nature…
China Chooses the Site for their TRIDENT Neutrino Detector
China is building a new neutrino detector named TRIDENT, the Tropical Deep-sea Neutrino Telescope. They're building it in the South…
Anti-Helium Generated in the Large Hadron Collider can Help in the Search for Dark Matter
Researchers from CERN's ALICE Collaboration have come up with a new way to search for Dark Matter: look for anti-helium-3…
The Most Devastating Solar Storms in History are Scoured Into Tree Rings
Trees are like sentinels that preserve a record of shifting climates. Their growth rings hold that history and dendrochronology studies…
Cosmic Rays can Help Keep the World's Clocks in Sync
The world has a robust, accurate timekeeping system that regulates our clocks. Humanity uses it for everything we do, from…
Astronomy Jargon 101: Cosmic Rays
In this series we are exploring the weird and wonderful world of astronomy jargon! You’ll have to be careful around today's…