Why Physicists Are Hunting The Strangest Of The Ghost Particles

These tiny subatomic particles, showering down from the depths of space, continue to surprise (and annoy) physicists chasing them.

Why Physicists Are Hunting the Strangest of the Ghost Particles

Every single second of every single day, you are being bombarded by trillions upon trillions of subatomic particles, showering down from the depths of space. They blow through you with the strength of a cosmic hurricane, blasting in at nearly the speed of light. They're coming from all over the sky, at all times of the day and night. They penetrate the Earth's magnetic field and our protective atmosphere like so much butter.

And yet, the hair on the top of your head isn't even ruffled.

What's going on?