10 minutes of physical activity a day helps the brain, study says

China's Foreign Ministry says the balloon entering U.S. airspace was an "unexpected situation." (CNN, KVLY, POOL, RTL, HONG KONG GOVERNMENT, GETTY IMAGES, DEFENSE VISUAL INFORMATION DISTRIBUTION SERVICE, GOOGLE EARTH, FREELANCER, POOL/RTL, FREELANCER/CNN)

The Chinese surveillance balloon was spotted over Columbia, Missouri on Friday. (CNN LICENSED FOOTAGE)

Police gave an update on the Dallas Zoo animals theft. (KTVT)

Police in Minnesota say a dog has survived being thrown from a vehicle during a chase.

Omaha Police has released the timeline of events in the shooting at a west Omaha Target store.

The job market blew past expectations, adding more than half a million jobs. (CNN, POOL, NASA)