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Subatomic Particles

Having a size smaller than the size of an atom, which is about one angstrom, or 10^-10 meters.

Radio Programs

Supernova 1987A II Catching “ghosts” from an exploding star February 23, 2017

Cosmic Rays III Probing a meltdown with help from the stars November 30, 2016

Dark Downtown? The glow of the galaxy’s busy downtown August 16, 2016

Catching Neutrinos Tiny particles that change flavors January 27, 2015

Dark Detections Looking for particles that don’t wimp out August 6, 2013

Dark Experiments Looking for the unseeable August 5, 2013

Unifying the Universe A theory of everything June 27, 2013

The Standard Model A theory of almost everything June 26, 2013

Muons II Probing the past with particles from space April 29, 2013

Muons Zapped by a supernova April 28, 2013

Featured Images

Cosmic ray shower

Cosmic Showers November 28, 2016
View of the underground Soudan Laboratory

Underground Astronomy January 26, 2015
The Standard Model

Building Blocks June 27, 2013
Pyramid of the Old Kingdom pharaoh Khafre and the Sphinx

Inside Job April 30, 2013
A black hole is created in the Large Hadron Collider, then quickly evaporates

Making a Black Hole February 26, 2013
Alpha Magnetic Spectrometer-2 attached to the International Space Station

On Duty May 23, 2011
Space shutle Endeavour launches on its final mission, June 16, 2011

Final Endeavour May 16, 2011

Cold Astronomy January 13, 2010