Earth closest to sun on January 4, 2009
January 4, 2009. Our planet swings closest to the sun today, while it's winter in the northern hemisphere. In early Jul...

Will you see the meteor shower this weekend?
January 2, 2009. The Quadrantid meteor shower rates as a major shower but few people ever see it. This meteor shower...

Can ants be lazy?
Scientists have noticed that ants tend to specialize in jobs within their colonies. Biologist Anna Dornhaus at Universit...

How different from Earth are distant exoplanets?
Astronomer Dave Charbonneau talks about searching distant solar systems light-years away for a planet like Earth...

Will we live in a post-human future?
Hear Nick Bostrom, director of the Future of Humanity Institute at Oxford University talk about transhumanism the be...

MacArthur genius' on black holes
Hear astronomer Andrea Ghez of UCLA, who received a 2008 MacArthur genius' grant for her work on black holes. She's p...

Engineering built around pedestrians
Michael Fishman of Columbia University uses the term pedestrian engineering to describe a way of designing public ...

Latest sunrise, sunset at temperate latitudes
January 3, 2009. At temperate latitudes in the northern hemisphere like those in the US and Europe the latest su...

Most detailed view yet of Milky Way center
Astronomer Barbara Whitney of the Space Science Institute talked about a new mosaic image of the dusty center of our Mil...