The triathlete went missing while swimming off the coast of California during her weekly swim club meeting. Eyewitnesses ...

In November, a blizzard with hurricane-force winds struck a popular hiking route in one of Chile’s most visited tourist ...

It’s no secret that Outside readers are gear-obsessed. From over-the-top tents and indestructible coolers to all-mountain ...

Auroras, meteor showers, and bioluminescent seas remind us that the planet still puts on the greatest displays.

The stars are aligning for Vonn’s comeback to resemble the plot of a sports movie, writes our articles editor. After her ...

Think you have what it takes to be the next Ultimate Mountain Athlete? Here's how to apply for a chance to compete for ...

David Zonshayn is an emergency medicine resident doctor in New York City. When he’s not working, he enjoys scuba diving, skiing, camping, and writing.

Several other eruptions have occurred in the past weeks, but all went unseen. Serendipitous timing, however, allowed scientists to record the December 20 ejection from Black Diamond Pool. The area ...