6:18 p.m. ET: ABC News' Neal Karlinsky tweeted about a simulated plane crash test conducted by Discovery:

Credit: @NealKarlinsky/Twitter

5:06 p.m. ET: What's your favorite moment from debates past?

Credit: Doug Mills/AP Photo

From Richard Nixon's sweat to Al Gore's sigh, from Gerald Ford's brain freeze on Poland and the Iron Curtain to Jan Brewer's brain freeze on her own accomplishments, here's a look at some of the more notable debate moments from both presidential, primary and off-year elections: Full story

3:44 p.m. ET: "It's just one of the disastrous situations I've created and the worst thing that I've ever done," former California Gov. Arnold Schwarzenegger told "Good Morning America" anchor George Stephanopoulus this morning on when he asked him about his affair with the housekeeper who he fathered a child with and kept hidden from his wife for years.

Read George's blog about the interview HERE

Credit: Reed Saxon/AP Photo

1:01 p.m. ET: Are 'Smiles' the new 'Bath Salts'?

According to the LAPD, the Los Angeles area has seen a rise in the number of overdoses caused by Smiles, or 2C-I, a hallucinogenic synthetic drug. Read the full story HERE

11:58 a.m. ET: Brace for impact! That may be the best way to save your life in the event of a plane crash, a test crash found.

In one of the most ambitious tests ever undertaken in the name of airline safety, Discovery TV had a Boeing 727 equipped with more than a half a million dollars worth of crash test dummies, 38 specialized cameras and sensors, and a crew of incredibly daring pilots.

Read the full story HERE

Credit: Discovery/ABC

10:19 a.m. ET: EXCLUSIVE: "Nightline" anchor Cynthia McFadden caught up with the six-time Grammy winner Taylor Swift at her cover shoot for Glamour magazine, which will be featured in the magazine's November issue, out on newsstands nationwide on Oct. 9. Tune into "Nightline" tonight to watch Cynthia's exclusive sit down interview with Swift, and click HERE to read more about the cover shoot.

Credit: Ellen von Unwerth/Glamour