David Letterman to tackle climate change on 'Years of Living Dangerously'
September 18, 2015, 1:34 p.m. by Michael d'Estries
Former 'Late Show' host will travel to India to speak with Prime Minister Narendra Modi about renewable energy.
First-ever 'American Ninja Warrior' walks away with only pride
September 15, 2015, 12:15 p.m. by Michael d'Estries
Two contestants conquered the previously unbeaten final stages, but only one took home $1 million.
Smithsonian enlists 'Star Trek' fans to help restore the USS Enterprise
September 10, 2015, 4:29 p.m. by Michael d'Estries
Researchers are seeking photos of the 11-foot model used in the classic television series as a benchmark for the restoration.
Billionaire pledges $1M to charity if you'll watch his new reality TV series
September 1, 2015, 3:40 p.m. by Michael d'Estries
Tim Draper's new show 'Startup U' isn't doing so well with ratings, so he's dangling a big charity incentive to encourage viewers to tune in.
Obama, Bear Grylls to swap survival tips in Alaska
August 31, 2015, 3:22 p.m. by Michael d'Estries
Survivalist to host the president on a special edition of 'Running Wild with Bear Grylls.'