Physicists have long struggled to unite quantum mechanics—the theory governing tiny particles—with Einstein’s theory of ...

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, ...

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 ...

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.

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. As atoms and subatomic particles swirl and crash into each other ...

The particles that are in an atom: protons, neutrons and electrons The particles that are in protons and neutrons: quarks The four fundamental forces: gravity, electromagnetism, the strong force and ...