Kittie Brown's gathering in Paris will be one among more than 800 happening in 67 countries as Jon Stewart's 'Rally to Restore Sanity' gains global appeal.
In 'The Wildest Dream,' climber Conrad Anker retraces George Mallory's Everest expedition at the turn of century, complete with hobnail boots and big overcoats.
Inside the dangerous worlds of climbers and cavers.
A new study of some of the chemical compounds present on the Jupiter's moon, Io, finds that it really stinks.
Three-year-old Jackson Hazlett of Portland, Ore., hugs his father after the two were reunited on April 21 at the Chiles Center at the University of Portland. His father, Sgt. Ryan Hazlett, was serving in Iraq, and returned home with 2,700 other Oregon Army National Guard soldiers after 10 months away.
Rescue boats are on their way to the 16-year-old who was attempting to become the youngest person to circumnavigate the globe solo. Sports and child development experts see red flags in stories like hers.
Jordan Romero became the youngest to ever scale Everest, the world's tallest mountain Saturday. Teens around the world are setting new adventure records - and prompting questions about risk and maturity.
Scientists try to understand what other factors may promote life.
South Korean Oh Eun-Sun planting a South Korean flag in the snow on the summit of the highest peak of Annapurna in Nepal. The South Korean climber became the first woman to scale the world's 14 highest mountains, live television pictures showed, although her record bid has been clouded by a disputed ascent.