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The jumbo titanosaur would stretch the length of a pro basketball court, plus 40 feet, and stand as tall as a seven-story building.

DNA from the skeleton of a 12,000-year-old teenage girl found on Mexico's Yucatan Peninsula shows that today's Native Americans are descended from Siberians who spread southward across North America.

The Asian citrus psyllid is a tiny bug that spreads a devastating tree disease. Pesticides can't always control it, so California farmers have turned to a different solution: another bug.

Small jolts of electricity to the brain can treat diseases like epilepsy and Parkinson's. But some healthy people are trying electrical stimulation to make the brain sharper. And it may not be safe.

The worst rains and flooding in Serbia and Bosnia since record keeping began 120 years ago have killed dozens of people. For more, David Greene talks to the BBC's Guy Delauney.

Transmitted by mosquitoes, the chikungunya virus causes rash, fever and excruciating joint pain. It has no cure. The good news: It's rarely fatal. Epidemiologists say the virus is headed to the U.S.

"It's kind of like trying to find a date before the prom," one analyst says of consolidation in the media industry. Some experts are criticizing the deal's strategy and potential impact on consumers.

The Justice Department accuses five Chinese officials of stealing trade secrets by spying using military and intelligence facilities. These are the first charges of their kind to be made by the U.S.

The case pits the Department of Homeland Security against a former air marshal who told reporters about policies he didn't agree with, including a plan to not put agents on long flights.

A new documentary argues that the food industry and government policies have pushed too much sugar on children and caused the childhood obesity epidemic. But the industry says society is to blame.