Why Can’t Some Planes Fly in Hot Weather?
Heat waves appear across the tarmac at Sky Harbor International Airport.
Deleted Photos May Still Be on Your Phone
When you remove a photo from your cell phone, it may not be gone for good.
Many Places Feeling the Heat Ahead of First Day of Summer
Temperatures climb to near-record highs.
Economist Says Key to Success — Finishing College in 4 Years
Columbia University graduation
Google Improves Job Search with Listings from Many Websites
Google plans to keep adding new job sites to the system.
Fruits, Vegetables Can Lower Blood Pressure
Evidence suggests potassium may have an effect on hypertension.
Colorado Considering Banning Smartphones for Children Under 13
Colorado would become the first state to have such a ban.
US Navy Destroyer Crash
USS Fitzgerald
Old Fossils Give Humans New History
“Our species is much older than we thought.”
Is Trump Sending Messages with His Handshakes?
Trump is testing the people he meets.