CNN.com: The Justice Department late Tuesday formally filed its case against Lance Armstrong and his company Tailwind Sports for millions of dollars that the U.S. Postal Service spent to sponsor the cycling team.
BBC: Scientists examined DNA from 40 ancient skeletons in Central Europe to gain new insights into the populations that formed the modern Europe.
New York Times: Israel's senior military intelligence analyst says that Syria has repeatedly used chemical weapons in the last month.
CBSnews: Movies about the Titanic often feature a poignant musisc scene and now the real band leader's violin could go up for auction.
Reuters: Netflix Inc shares shot up 24 percent on Tuesday to their highest level since September 2011
Space Industry News: NASA and Bigelow Aerospace are in the planning phases for a moon base.
Salon.com: Moving beyond cookies, the Girl Scouts have set their sights on closing the gender gap in the gaming industry.
CBSnews: The surviving Boston bombing suspect is conscious and responding in writing to authorities.
Fox: An Oregon judge held a juror in contempt for texting during video evidence in an armed-robbery trial.
AP: Parts of the Midwest were soaked by heavy rains this week, with some towns hurriedly building sandbag levees to protect homes and businesses.
NBC.com: Boston and its suburbs, universities and transit system were on total lockdown Friday as police hunted for marathon bombing suspect Dzhokhar Tsarnaev -- on the loose after his accomplice brother was killed
Pentagon Post: Google is working to increase Chrome browser use for businesses.
WSJ.com: The world’s poorest people are now concentrated most heavily in Sub-Saharan Africa.