June 30, 2011—NASA’s space shuttle has been an icon of the U.S. space program for the past 30 years. Journey on one of the last shuttle missions to witness some final "firsts" made aboard this unique spacecraft.
Dereck & Beverly Joubert, award-winning filmmakers and conservationists and National Geographic Explorers-in-Residence respond to the YouTube video "Lioness tries to eat baby at the zoo."
A modern marvel of engineering, the invention of the space shuttle changed America’s space program forever. Take a journey through the incredible science of aerospace engineering and the shuttle's history.
June 23, 2011—Marine oil spills are usually measured by the amount of oil floating on the surface. But the BP spill in the Gulf of Mexico—from a deep-sea well required a different approach. Find out how one fluid-dynamics expert caused estimates to rise sharply practically overnight.