Ultraheavy particle theory: New research indicates some ultrahigh-energy cosmic rays may be atomic nuclei heavier than iron, enabling them to travel vast cosmic distances. Historic particle events: ...

The existence of the Higgs boson completes the standard model of particle physics. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On April 8, ...

Below the snow-covered peaks of the Andes Mountains, among scattered rocks and the scrub of prairie bushes, there sits at this very moment a 12-ton polyethylene tank holding 3,000 gallons of pure ...