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Cosmology

The study of the birth, evolution, and fate of the universe.

Radio Programs

Dark Skies Why the night sky is dark January 6, 2017

More Reionization An early light in the young universe November 4, 2016

Reionization Giving the universe a charge November 3, 2016

WFIRST Unwrapping a Christmas present March 17, 2016

James Webb Telescope Looking for the first galaxies March 16, 2016

Arrow of Time Going forward in time February 16, 2016

Back to Work A giant experiment goes back to work March 5, 2015

Big Bang Starting a universe with a bang November 18, 2014

COBE Deciphering the static of the early universe November 17, 2014

Great Wall A wall of galaxies across the universe November 16, 2014

Setting a Date Zeroing in on the Big Bang May 12, 2013

Featured Images

A graphical history of the universe

End of the Dark Ages November 3, 2016

COBE view of the cosmic microwave background

Afterglow November 18, 2014

Simulation of the early universe

Tangled Web May 10, 2014

The Standard Model

Building Blocks June 27, 2013

Portion of Hubble Extreme Deep Field

Extreme Astronomy September 25, 2012

Cosmic Inflation

A Big Push June 15, 2011