Ingram Publishing/Thinkstock(WASHINGTON) -- Without realizing it, millions of American commuters are in close proximity every day to extremely hazardous nuclear material that terrorists would love to turn into weapons of mass destruction -- if they could.

It happens when we drive down roadways and pass certain cargo trucks. Or when we are near buildings under construction. Or receive cancer ther...

Fuse/Thinkstock(VIENNA) -- Mexican authorities said a stolen truck carrying "extremely dangerous" material used in medical treatment was located Wednesday. The nuclear waste, however, had been removed.

Using radioactive detectors, authorities located 40 grams of Cobalt-60 about a half-mile away from the truck's container, according to Juan Eibenschutz, director of the Mexican Nuclear Agency.

A sp...

Aude Guerrucci-Pool/Getty Images(WASHINGTON) -- President Obama is enlisting young people to help sell the Affordable Care Act to the demographic critical to the success of his signature law.

This law is already making a difference for millions of young people, and its about to help millions more, he said at a White House youth summit. I'm going to need you all to spread the word about how ...

LIONEL BONAVENTURE/AFP/Getty Images(NEW YORK) -- Google must have thought that it didn't have enough on its sci-fi to-do list. In addition to Google Glass and the Google self-driving car, the Internet giant still has enough time and money to create its own robot division.

The unnamed robot initiative will be led by former Android CEO Andy Rubin.

But this robot division wont be completely built...

@KimZolciak/Twitter(ATLANTA) -- Just days after having twins, Kim Zolciak is back to her pre-baby body.

The former Real Housewives of Atlanta star, 35, gave birth to twins less than two weeks ago, and Wednesday, her daughter gave fans a glimpse of her post-baby body.

HOW, Brielle Biermann posted on Twitter, along with the above photo.

Zolciak, who has two sons with her husband, NFL player Kroy B...

The skeleton of a Homo heidelbergensis from Sima de los Huesos, a unique cave site in Northern Spain. (Javier Trueba/Madrid Scientific Films)(WASHINGTON) -- Researchers have uncovered a new clue about human origins after discovering the oldest known human DNA in a legendary Spanish archeological site called Sima de los Huesos, or the "Pit of Bones."

Researchers were able to extract DNA from a l...