5:55 p.m. ET: DEVELOPING: Lufthansa and United Express planes clipped each other on a taxiway at Dulles Airport, causing no apparent injuries, officials told ABC News affiliate WJLA.
4:42 p.m. ET: AP published this photo of Carmelita Jeter, anchor of the US Women's relay team, pointing to their world record time.
4:02 p.m. ET: 'Nightline' Anchor Bill Weir tweets:
1:22 p.m. ET: Here's a shocking medical mystery…
Shanyna Isom has consulted every possible specialist, including a doctor in the Netherlands, but she still as no idea what is wrong with her.
The 28-year-old beautician and former University of Memphis law student has developed a condition so severe, fingernails grow from the hair follicles all over her body.
12:17 p.m ET: While wetter weather is finally rolling through the drought-stricken Midwest, it's too little too late for the nation's corn crop, Reuters reports.
As the worst drought in over a half century took its toll, investors went on a buying spree, boosting corn prices by more than 50 percent from late May to fresh record highs above $8 per bushel. The U.S. government on Friday released fresh crop data that revealed shocking cuts for this year's grain and oilseed output as the drought spread through America's breadbasket.
11:25 a.m. ET: Storm chaser and respected scientist Tim Samaras is on a quest to document the birth of a lightning strike. Photographer Carsten Peter tagged along with the storm chaser for National Geographic magazine. Get a sneak peek of his photos HERE
"Nightline" recently caught up with Samaras as he chased lightning across New Mexico, Kansas, Oklahoma and Colorado. See the photos of journey HERE