Ryan Koss, driver in crash that killed actor Treat Williams, charged with grossly negligent operation causing death

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2 Florida officers hospitalized after shooting; suspect killed by policeMega Millions jackpot juDatabec Trading Centermps to an estimated $1.55 billion, the third-largest in lottery history

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Given Plenty of Space, Lionel Messi Is Putting on a ShowSimone Biles wins U.S. Classic, her first gymnastics competition in 2 years

At least 3 killed in shooting on D.C. street

For Pulse Massacre Victims, a New Push for AnswersThere's a New Quantum Material That Mimics Human Brains in an Unexpected Way

Google Is Delivering Emergency Cell Service to Puerto Rico Using Giant BalloonsA mural presents a new image for one Ohio city

Awesome New Method Can Pull Hydrogen Fuel From Seawater Using Only SunshineThe World's First Fully Autonomous Train Is Officially in Operation