Table of Contents
Poachers in Chad are gunning down some of Africa's last great elephant herds whenever they leave Zakouma National Park.
Massive stars die in the biggest explosions since the big bang. Scientists decipher the stories.
Sharks are in decline worldwide, yet they abound in the Bahamas. What makes this blue-water archipelago a sanctuary?
In the vast expanse of corrugated rock that spreads across the American Southwest, time is measured in millennia.
Decorate your desktop with beautiful images from this month's issue of the magazine.
Visions of Earth
Each month, National Geographic magazine features breathtaking photographs in Visions of Earth.