5:19 p.m. ET: Neil Armstrong, the first man to walk on the moon 43 years ago,  gave a rare interview - to the head of an Australian accounting group - and talked about what was going through his head during the Apollo 11 moon landing.

"I should say I thought we had a 90 percent chance of getting back to Earth on that flight," Armstrong said in this rare interview, "but only a 50-50 chance of making a successful landing on the first attempt."

Read ABC News' Ned Potter full story HERE.

3:40 p.m. ET: We love people who do crazy stunts. Yesterday it was Wingman, today it's a kayaker on a waterfall.

Daredevil kayaker Rafael Ortiz of Mexico now carries the title of being the second person to kayak over Washington's Palouse Falls and paddle himself to shore. Ortiz, 24, plunged the 189-foot-tall waterfall - higher than Niagara Falls - on April 25.

Credit: Red Bull Newsroom/Sipa/via Newscom

2:24 p.m. ET: Amidst a floundering IPO launch and lawsuits, it's back to business for Facebook.

ABC News' Joanna Stern reports: Two months after announcing its  $1 billion dollar purchase of the photo-sharing app Instagram, Facebook is rolling out an app for the iPhone and iPod  Touch that is entirely focused on the camera.

Credit: Facebook

1:29 p.m. ET: Wouldn't it be nice…

When Toronto resident Alex Kenjeev realized he was finally in a position to pay off more than $114,000 in student loans, he wanted to make it memorable. He did so by paying his debt all at once-in cash.

His feat went viral when he posted a photo of the receipt for $114,460 (US $111,350) on his Facebook page:

Credit: Courtesy Alex Kenjeev

To find out how he did it, read ABC News' Christina Ng's full story HERE.

12:12 p.m. ET: Move over Kate Middleton, the first lady of Facebook appears to be taking over wedding trends this season.

Credit: ABC News

Priscilla Chan walked down the aisle Saturday, just one day after Facebook filed its IPO, wearing a $4,700 dress by designer Claire Pettibone.

Pettibone told "Good Morning America" she had no idea Chan had bought her dress because the bride used a fake name to purchase it off-the-rack.

10:04 a.m. ET: UPDATE: A New development in the Etan Patz case, the 6-year-old boy who went missing from his New York City neighborhood 33 years ago and has been seen since.

Credit: AP

New York City police on Wednesday detained Pedro Hernandez, 51, who worked at a corner store in the Manhattan neighborhood where the Patz vanished more than three decades ago. Friday is the anniversary of the boy's disappearance.

The suspect, who would have been 18 when Patz disappeared, has told investigators that he strangled Patz and put his body in a box to dispose of it. Read the full story HERE.