Mark and Michelle Laverman planned on visiting the unique island of Socotra for a week. Destabilizing events in the region ...

For decades, Europa has been the optimistic counterpoint to a lonely solar system, a small icy world that seemed to tick ...

The world's largest living structure is vast, spellbinding—and more at risk than ever. Here's why visiting Australia's Great Barrier Reef is actually a good thing.

Sleep may have evolved to help reduce DNA damage in nerve cells long before they became centralized in the brain, a study ...