Whoever said swimming was not an extreme sport hasn’t heard of the many unique challenges that exist around the world. Every year, they pull swimmers out of their sheltered swimming pools into the ...

Imagine a planet where gemstones fall from the sky. This extreme world challenges everything we know about planetary science. Explore its violent weather and surreal conditions in this unforgettable ...

It was less than an hour off the coast of Greenland that Jules Mountain began to question his sanity. The British entrepreneur was completing the second leg of his eight-day attempt to become the ...