Sep 21, 2015
Feature Guest: Wendy Freedman
A long long time ago in every place at once, all of this began. But when exactly did the universe begin? And how quickly did it expand into the structure we see around us? Those numbers are more difficult to nail down than we had thought, yet more critical to our understanding of the nature...
Sep 7, 2015
Feature Guest: Hilton Lewis
The twin Keck Telescopes of Hawaii are the world’s largest optical
and infrared telescopes. For twenty five years they have turned
their eyes on the farthest and faintest objects in the cosmos,
stacking up a dizzying array of accomplishments: from evidence for
the supermassive black hole...