When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Sitting above the majority of Earth's atmosphere is a little-explored layer called the ionosphere ...

The world’s largest gathering of explorers will direct its focus next month to one of the most important and least explored areas of our planet – the oceans. Leading oceanographers, explorers and ...

Will Smith may very well be the busiest man in show business right now, but the actor has just enough time to explore the ends of the Earth in a new National Geographic series. The West Philly native ...