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 ...

In the first millionths of a second after the Big Bang, the universe was a roiling, trillion-degree plasma of quarks and gluons — elementary particles that briefly glommed together in countless ...

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 detection is detailed in a new study published in the journal Physical Review Letters. Immediately following the Big Bang, the universe was an extremely hot, concentrated plasma of elementary ...

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The Large Hadron Collider (LHC), which is the world's largest atom smasher, may have just made one of the greatest scientific discoveries in recent memory. If matter and antimatter existed in equal ...

Blazars are powered by immensely active supermassive black holes that fire beams of particles into space. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

The latest visitor from deep space is leaving a mark that stretches far beyond its icy core. Interstellar comet 3I/ATLAS is wrapped in an enormous X-ray glow that extends roughly 250,000 miles into ...

It is a real problem: Microplastic particles are everywhere. Now a team has developed a method that allows it for the first time to precisely localise microplastic particles in the soil. The 3D ...

Can one particle explain both dark matter and the mysterious origins of matter and antimatter? Some physicists think so. They're calling the as-yet-only-theoretical object the "X particle." Physicists ...

Physicists have found evidence of X particles in the quark-gluon plasma produced in the Large Hadron Collider (LHC) at CERN, the European Organization for Nuclear Research, based near Geneva, ...