Mars's Gullies Probably Aren't Being Formed by Flowing Water

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

Soccer’s Favorite Headband Is Supposed to Go Around Your AnkleSimone Biles Set to Compete for First Time Since Tokyo OlympicsOrlando Magic’s Political Donation Is ‘Alarming,’ Players’ Union Says

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