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…

2 months ago

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…

3 months ago

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…

4 months ago

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…

8 months ago

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…

9 months ago

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…

9 months ago

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…

2 years ago

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…

2 years ago

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…

2 years ago

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…

3 years ago