Physicists at the world's largest atom smasher have detected a mysterious, primordial particle from the dawn of time. About 100 of the short-lived "X" particles — so named because of their unknown ...
Researchers at CERN’s Large Hadron Collider in Switzerland recently detected a vanishingly rare particle they believe was around at the very beginning of the universe. The particle—called an X ...
Scientists are redirecting their hunt for the universe's missing matter from minute particles to large, star-sized, near-invisible structures. For a long time, it was hypothesized that dark matter, ...
The mysterious particle will reveal insights into the earliest moments of the universe. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.