'Nightline' Daily Line, Aug. 9: Curiosity Snaps Color Photo of Mars

4:42 p.m ET: TLC, the home of all things off the beaten path, is heading into new territory this month with "Abby & Brittany," a look at the lives of conjoined twins Abigail and Brittany Hensel, who have miraculously survived to the age of 22 despite sharing one body fused together at the torso, reports Yahoo.

Courtesy of AP

When Abby and Brittany were born back in 1990, the doctors told their parents they most likely wouldn't survive the night. (One in 40,000 twin births are conjoined, and just one percent of those make it to the age of one.) But they defied the medical odds by not only surviving, but thriving.

Read the full story HERE

2:49 p.m. ET: Check it out, the movie "Red Planet" had a spot on set of Mars. The Mars rover Curiosity sent back this color photo today…

Credit: NASA

And also snapped a self-portrait. Looks like Wall-E's ginormous cousin!

Credit: NASA

12:39 p.m. ET: DEVELOPING: A medical team has arrived in Christchurch, New Zealand, after departing the U.S. McMurdo Station in Antarctica where it rescued a U.S. expedition member who suffered a medical emergency.

Read more about the dangerous mission HERE

Credit: NSF

10:58 a.m. ET: Pictures from a tough sports school in China offers a glimpse of young children already training to become Olympic gymnasts:

AP Photo

See the full slideshow HERE

10:31 a.m. ET: ABC News' Alex Marquardt and "Nightline" producer Bartley Price recently went inside Syria, a nation being ripped apart by civil war, to report on the rebellion and how villagers are coping. Many families have been divided by the war and have lost loved ones and their homes. Watch their journey HERE:

9:35 a.m. ET: "Nightline" anchor Bill Weir having fun on set at the London Olympic Games: