All fell ill after returning home, and some people were hospitalized.

Planning a Grand Canyon river trip? Here's the complete packing list I refined after a self-supported 16-day expedition, plus ...

After a dream 16-day rafting trip down the Colorado River, Matthew Wappett ended up in the ER with bone-crushing pain and a ...

The National Park Service is investigating a mysterious illness after multiple Grand Canyon rafters reported severe symptoms following separate river trips.

The National Park Service is investigating why visitors to the Colorado River have reported lengthy bouts of a flu-like ...

This Spring, Matthew Wappett, a professor at Utah State University, completed a 16-day rafting trip through the Grand Canyon. After he returned to his home in Logan, Utah, Wappett, 53, began suffering ...

A mysterious illness has been plaquing a group of white water rafters who took a recent trip through the Grand Canyon, ...

Grand Canyon rafting guide Kelsey Pfendler completed a record-breaking solo row across the Pacific Ocean on Friday, arriving in Hawaii after a more than 2,400-mile journey from California. Pfendler ...

Rafters in the Grand Canyon are coming down with a mystery illness and doctors are baffled - ‘It feels like I did a hard ...

A Grand Canyon river rafting guide who aimed to become the first American woman to row across the mid-Pacific solo has completed a record-breaking journey from California to Hawaii. Kelsey Pfendler ...

Grand Canyon River guide Kelsey Pfendler became the fastest person to row solo from California to Hawaii last week.

Kelsey Pfendler, a Grand Canyon river-rafting guide, completed the 2,300-mle journey in just under 44 days, according to data ...