Dr. Dennis Smith, of Olympia, Washington, was attempting a rim-to-rim hike from the South Rim to the North Rim when authorities and friends said he collapsed on the trail....

The Army's new fitness test focuses on combat effectiveness with demanding events and sex-neutral standards, challenging soldiers' strength and endurance....

Jessica Biel opens up about her life in Montana with Justin Timberlake, discussing career balance, parenting challenges and their efforts to protect their children's privacy....