Jets zip past Chicago at 350 mph

The Breitling Jet Team is the world’s largest professional civilian flight team performing on jets. Watch as they perform at the Chicago Air & Water Show.MORE

The science behind El Niño

What exactly is El Niño? CNN’s Jennifer Gray explains this weather phenomenon that happens between the Pacific Ocean and the atmosphere.MORE

An Emotional Day!

Australian golfer Jason Day wins the 2015 PGA Championship and reflects on his long, tough journey with Don RiddellMORE

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