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…

6 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…

7 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…

9 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…

12 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…

1 year 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…

1 year 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…

3 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