After Pluto was discovered in 1930, it enjoyed the title of planet for more than 75 years. But in 2006, that all changed. At a meeting in Prague, the International Astronomical Union adopted a new...
James Balog has been working as a nature photographer for more than 30 years. His latest project, the Extreme Ice Survey, is helping scientists document the rapid melt of glaciers...
Scientists are excited about the Bahamas, and it’s not just the tropical vacations that have their interest. It’s what’s underneath the surface of the islands—huge caves systems filled with water....
For thousands of years, people around the world have modified their bodies with tattoos and piercings. But some cultures, like the ancient Inca in Peru, took that practice beyond skin deep. They...
Egyptologist Mark Lehner thinks it took almost 20,000 people to build the Great Pyramids. But where did all those workers live? In this podcast, Lehner describes how he found evidence of a “lost...
While filming "The Pluto Files" Neil deGrasse Tyson and NOVA producer Terri Randall took a cross-country journey to trace the history of that distant cosmic body. Along the way, they met with the...
In order to develop from an embryo, animals as different as fruit flies and humans call on a nearly identical set of genes. But how does this one common genetic toolkit create so many different...
We've come a long way toward understanding evolution since the “Origin of Species” was first published 150 years ago. So what would Darwin think if he could see his theory's impact today-both on a...
150 years ago, Charles Darwin published the “Origin of Species”, a book that changed science forever. But why is it still important to understand his theories today? In this podcast, oceanographer...
Even though Darwin's theory is the foundation of modern biology, it's still controversial in some religious circles. But was evolution considered a serious threat to religion in Darwin's day? And...
In this podcast, learn how a newly identified wreck found outside Pearl Harbor may rewrite the history of the Japanese attack. Podcast produced by David Levin. Original interviews by Kirk...
150 years ago today, Charles Darwin published the “Origin of Species,” a book that changed science forever. His ideas still draw some controversy-but how were they received a century ago? In this...
Evolving an ability to run long distances might have been key to survival for early humans. In this podcast, we talked to Dan Lieberman, an evolutionary biologist at Harvard University, to find out...
Today, humans are rapidly changing the world's climate-but some anthropologists think climate may have once changed us. In this podcast, Rick Potts, director of the Human Origins Program at the...
John Grunsfeld, an astronomer and astronaut, says that fixing the Hubble Space Telescope was be a delicate operation. In this podcast, he explains how astronauts had to literally let their fingers...
In 1862, Charles Darwin faced his greatest dilemma-whether or not to go public with his incendiary theory of evolution. It was a turning point for him, and for science as a whole. Today,...
In this podcast, Neil deGrasse Tyson visits Portland, Oregon, to participate in a monthly event called the “Science Pub.” Sponsored by the Oregon Museum of Science and Industry, the “Pub” invites...
As an astrophysicist, NOVA scienceNOW host Neil deGrasse Tyson has a unique view of the universe. Hear his "Cosmic Perspective" on looking up at the night sky. Audio editing by David Levin. NOVA is...
As an astrophysicist, NOVA scienceNOW host Neil deGrasse Tyson has a unique view of the universe. Hear his "Cosmic Perspective" on bad news. Audio editing by David Levin. NOVA is produced by WGBH...
As an astrophysicist, NOVA scienceNOW host Neil deGrasse Tyson has a unique view of the universe. Hear his "Cosmic Perspective" on the search for life in the universe. Audio editing by David Levin....