To learn more about the Transit of Venus and to get tips for observing this rare astronomical event, visit the NASA website.
Joerg Koch/AFP/Getty Images
June 3, 2012 The rare daytime astronomical event, in which Venus can be seen as a tiny black dot crossing the sun, won't happen again until 2117. Andrea Wulf, author of Chasing Venus, explains how 18th-century astronomers used the event to calculate the distance between the Earth and the sun.
<iframe src="http://www.npr.org/player/embed/154136929/154235073" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
April 24, 2011 Washington, Jefferson and Adams may have planted the seeds of liberty in America, but a new book says they were also obsessed with nurturing tomatoes, beans and trees in lovingly tended gardens.
<iframe src="http://www.npr.org/player/embed/135608423/135686905" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
NPR thanks our sponsors
Become an NPR sponsor